Stefanos Tsitsipas and Nick Kyrgios moved into the Citi Open third round thanks to straight-sets wins on Wednesday.

Tsitsipas, the top seed, brushed past wildcard Tommy Paul 6-3 7-5 in their second-round clash in Washington.

The Greek star converted three of his eight break points to set up a last-16 meeting with Australian Jordan Thompson.

Thompson produced one of the upsets of the day, beating 14th seed Jan-Lennard Struff 6-7 (8-10) 6-4 7-5.

Kyrgios' run also continued, the Australian serving 24 aces in a 6-4 7-6 (7-5) victory over French 11th seed Gilles Simon.

Next up for Kyrgios is Yoshihito Nishioka, who edged seventh seed David Goffin 6-7 (5-7) 6-2 7-6 (7-5) after two hours, 40 minutes.

Of the 10 seeds in action, Simon, Goffin and Struff were three of five to make exits.

Pierre-Hugues Herbert was edged by Miomir Kecmanovic 3-6 6-4 7-6 (7-5) and Atlanta champion and last year's runner-up Alex de Minaur went down to lucky loser Peter Gojowczyk 6-3 7-6 (8-6).

Three-time runner-up John Isner cruised past Hubert Hurkacz 6-4 6-4, 2014 champion Milos Raonic beat Tim Smyczek 6-1 6-4 and Felix Auger-Aliassime edged Reilly Opelka 6-4 3-6 6-4.

Benoit Paire survived against Marc Polmans with a 6-3 6-7 (5-7) 7-6 (7-5) win and lucky loser Norbert Gombos overcame Adrian Mannarino 6-4 7-6 (11-9).

Meanwhile, in doubles action, brothers Andy and Jamie Murray got through their opener by beating Nicolas Mahut and Edouard Roger-Vasselin.

Dominic Thiem had little trouble progressing into the quarter-finals of the Generali Open but second seed Dusan Lajovic bowed out on Wednesday.

With the top two seeds handed byes into the second round, French Open finalist Thiem made light work of wildcard Sebastian Ofner 6-3 6-2.

World number 26 Lajovic had no such luck against Jeremy Chardy, however, with the Frenchman coming out on top 3-6 6-4 6-3.

Chardy won 82 per cent of points behind his first serve and came from a break down in the third set to triumph.

Third seed Fernando Verdasco, who will face Lorenzo Sonego in the last eight, beat Jozef Kovalik 6-4 7-6 (9-7), while Pablo Cuevas surrendered the first set but rallied to overcome wildcard Dennis Novak.

Youngster Casper Ruud followed up an impressive performance against Pablo Carreno Busta on Tuesday with a straight-sets triumph over Matthias Bachinger.

Going up against Thiem in the quarters will be Pablo Andujar, who bettered Kitzbuhel resident and two-time champion Philipp Kohlschreiber 6-4 6-4.

Albert Ramos-Vinolas eased past compatriot Jaume Munar in Wednesday's other match.

Grigor Dimitrov battled to a hard-fought win in the Los Cabos Open first round, while Taylor Fritz was untroubled on Tuesday.

Dimitrov, who has fallen out of the world's top 50 after a tough first half of the year, got past Steve Johnson 7-6 (7-4) 4-6 7-6 (7-5) at the ATP 250 tournament.

The Bulgarian served 12 double faults but still managed to edge through for his first victory since the French Open.

Fritz, coming off a run to the final in Atlanta, disposed of German Dominik Koepfer 6-3 6-4 in just an hour.

The American fifth seed managed to break once in each set in what was a routine outing.

Radu Albot, the seventh seed, also managed to get through courtesy of a 7-5 2-6 6-0 win over Janko Tipsarevic.

The only seed to depart was Cristian Garin, who went down to Juan Ignacio Londero 3-6 6-2 6-3.

Tennys Sandgren was thrashed 6-2 6-0 by Taro Daniel, Cameron Norrie got past Gregoire Barrere 7-6 (7-5) 6-0 and qualifier Kwon Soon-woo easily beat Cedrik-Marcel Stebe 6-2 6-1.

Marin Cilic claimed a much-needed win in the Citi Open second round, while Jo-Wilfried Tsonga caused an upset on Tuesday.

Cilic, yet to hit top form this year, battled past Marius Copil 7-6 (7-4) 7-6 (7-4) to reach the last 16 at the ATP 500 event in Washington.

The Croatian sixth seed and 2014 US Open champion improved to just a 12-10 win-loss record this year thanks to the hard-fought victory.

The only seed to fall on Tuesday was Karen Khachanov, who went down to Tsonga.

Tsonga served 13 aces in a 6-4 2-6 7-5 victory over Khachanov, the second seed losing to the Frenchman for the third time in as many meetings.

Daniil Medvedev, Kyle Edmund and Frances Tiafoe joined Cilic and Tsonga in the third round.

Medvedev eased past wildcard Bjorn Fratangelo 6-3 6-4, Edmund crushed Lloyd Harris 6-1 6-4 and Tiafoe was too good for Alexander Bublik 6-1 7-6 (7-5).

Meanwhile, Jack Sock's wait for a first singles win of the year continues after losing 7-5 6-3 to Jordan Thompson in the first round.

Nick Kyrgios sent down 15 aces on his way to a 7-5 6-4 win over qualifier Thai-Son Kwiatkowski, Reilly Opelka edged Christopher Eubanks 6-4 7-6 (7-3) and Yoshihito Nishioka was untroubled by Dan Evans in a 6-4 6-1 victory.

Peter Gojowczyk and Miomir Kecmanovic also advanced after wins over Andrey Rublev and Alexei Popyrin respectively.

Marton Fucsovics was among three seeded players to exit the Generali Open in the first round as he went down to Albert Ramos-Vinolas in three sets.

Fifth seed Fucsovics squandered a one-set lead to lose 6-7 (6-8) 6-4 6-4 to Ramos-Vinolas on Tuesday in a match that lasted over three hours.

Ramos-Vinolas won his first title of the season in Gstaad last weekend and will face compatriot Jaume Munar, who beat Thomas Fabbiano 7-6 (9-7) 1-6 6-1, in round two.

There were also wins for Jozef Kovalik and Austrian wildcard Sebastian Ofner, who will face top seed and 2019 French Open runner-up Dominic Thiem next.

Leonardo Mayer and Pablo Carreno Busta – seeded sixth and eighth respectively – followed Fucsovics in bowing out.

Hamburg Open semi-finalist Carreno Busta came unstuck 6-1 3-6 6-1 against Norwegian youngster Casper Ruud, while Mayer went down 3-6 6-3 6-2 to Pablo Andujar.

Kitzbuhel resident Philipp Kohlschreiber – who won the Generali Open in 2015 and 2017 – ended a five-match losing streak by overcoming Richard Gasquet 6-3 6-2.

Andy Murray could return to singles action at the Cincinnati Masters next month with a view to featuring at the US Open.

The former world number one has not played a singles match since a first-round loss to Roberto Bautista Agut at the Australian Open in January, with Murray undergoing resurfacing surgery on his right hip shortly afterwards.

He made his comeback in the doubles alongside Feliciano Lopez at the Queen's Club Championships - the pair winning the competition - and Murray has played in two more tournaments since while also linking up with Serena Williams in the mixed doubles at Wimbledon.

Murray will partner his brother Jamie at the Citi Open in Washington this week and he admitted he is close to a singles comeback too.

"In terms of how I'm moving and feeling and pulling up the next day from these practices, I'm really happy with where I'm at. I think I'm quite close," the three-time grand slam champion said in quotes published on the ATP Tour's website.

"If I was to play a tournament in a few weeks' time, I could do it. But it's just to get to maybe where I want to get to, I'll need to play matches and get a little bit more work done in the gym on my cardio."

The singles tournament in Cincinnati begins on August 11, 15 days before the US Open starts, and Murray admits he would need to participate in the former to be involved at Flushing Meadows.

"Best-case scenario probably would be Cincinnati, and then if I wasn't able to play in Cincinnati, there's a good chance I would probably wait until after New York because I wouldn't want my first tournament to be playing best-of-five [sets]," he explained.

Between the Citi Open and Cincinnati Masters, Murray will be reunited with Lopez at the Rogers Cup in Montreal.

Frenchman Jo-Wilfried Tsonga celebrated his first victory at the ATP Citi Open after defeating Brayden Schnur en route to the second round.

Tsonga – the 2008 Australian Open runner-up – topped Canadian Schnur 6-4 7-6 (7-2) in Washington on Monday.

It meant Tsonga achieved a career first, having never won at the ATP 500 event in his 16-year career, with his only other Citi Open match resulting in defeat in 2009.

Tsonga, who improved to 22-12 for the year, will face second seed Karen Khachanov for a place in the third round.

Tommy Paul beat Denis Kudla 6-0 6-4 to set up a second-round clash with top seed Stefanos Tsitsipas, who was busy on Monday.

Tsitsipas and Australian star Nick Kyrgios teamed up on the doubles court for the first time, but they lost to top seeds Juan Sebastian Cabal and Robert Farah 6-3 3-6 10-5.

Elsewhere in the singles, 2016 finalist Ivo Karlovic was beaten by wildcard Bjorn Fratangelo 6-4 6-7 (14-16) 7-6 (7-5), Adrian Mannarino topped Ilya Ivashka 7-6 (7-3) 6-3 and Tim Smyczek was a 6-4 6-4 winner over Matthew Ebden.

Alexander Bublik claimed a 7-6 (7-5) 6-3 victory against Bradley Klahn, Malek Jaziri lost 6-2 6-4 to Marc Polmans, Hubert Hurkacz was too good for Donald Young 6-1 6-4, Lloyd Harris outlasted Ricardas Berankis 4-6 6-3 6-1, while Marius Copil triumphed 6-1 5-7 6-3 over Mikael Torpegaard.

At the Los Cabos Open, Thanasi Kokkinakis secured his first tour-level win since the 2018 Miami Open in March with a 6-4 6-4 victory against Maxime Janvier.

Marcel Granollers, Ernests Gulbis, Mikhail Kukushkin and Prajnesh Gunneswaran also advanced at the ATP 250 event in Los Cabos, Mexico.

Martin Klizan's title defence failed to clear the first hurdle as he lost his first-round Generali Open clash in Austria on Monday.

Klizan's sixth and most recent ATP Tour triumph saw him beat Denis Istomin in the 2018 final but, 12 months on, a match of three tie-breaks saw him denied by qualifier Matthias Bachinger.

The Slovakian broke in the opening game of the match and led again later in the first set but saw Bachinger respond.

Klizan won the second and held off a match point in the third yet came up short in another tie-break, falling to an agonising 7-6 (7-5) 6-7 (5-7) 7-6 (7-4) defeat.

There were three sets and three tie-breaks, too, as Lorenzo Sonego - the only seeded player involved on Monday - defeated Federico Delbonis.

Sonego needed three hours and 36 minutes but got the job done in a marathon contest, setting up a clash with Roberto Carballes Baena, who came from behind to defeat Hugo Dellien.

Jeremy Chardy came through an incredible back-and-forth against Marco Cecchinato, sharing nine converted break points across two sets, while Dennis Novak beat fellow wildcard Jurij Rodionov.

Alex de Minaur earned his second ATP Tour title of 2019 by beating Taylor Fritz in the Atlanta Open final.

Australian third seed De Minaur claimed the Atlanta trophy with a 6-3 7-6 (7-2) win in Georgia on Sunday.

After winning January's Sydney International, De Minaur was too good for second seed Fritz as he celebrated his second career triumph.

De Minaur was flawless on serve, dropping just 10 points en route to a straight-sets victory after one hour, 17 minutes.

The 20-year-old also did not face a break point throughout against American Fritz, who was denied his second title of the year.

Albert Ramos-Vinolas ended a three-year title drought with an emphatic defeat of Cedrik-Marcel Stebe in the Swiss Open Gstaad final.

The Spaniard had failed to add to his solitary ATP Tour triumph at Bastad in 2016 before beating Stebe 6-3 6-2 on Sunday after a long delay due to rain.

Ramos-Vinolas did not drop a set in the tournament and proved to be too canny for the 455-ranked German, who won twice on Saturday to reach his first ATP Tour final.

The world number 85 broke twice in each set after failing to hold in the first game to finally get his hands on another trophy.

Outsider Stebe said: "The conditions were tough today. Albert was rock solid as he was all week. He deserves to win.

"It was an amazing week for me here in Gstaad, I played very good tennis. Of course, it wasn't easy to play two matches yesterday. I gave everything today, but it wasn't enough. That's tennis."

Nikoloz Basilashvili emerged victorious after a three-set battle with Andrey Rublev to successfully defend his title at the German Tennis Championships.

The reigning champion claimed his 12th straight win in Hamburg 7-5 4-6 6-3, having also needed to come through a decider to beat Leonardo Mayer in the 2018 final.

Basilashvili, who is the first player to win the event in successive years since Roger Federer in 2004-2005, had survived a scare on Saturday, saving two match points in his semi-final against Alexander Zverev. 

The Georgian suffered a sluggish start 24 hours later against Rublev, though he rallied after losing his serve in the third game to take the opening set.

Rublev did not make the same mistake in the second when a break put him 4-3 up, holding on to his advantage this time before sealing the set when his opponent committed successive forehand errors.

Basilashvili would not be denied, however, crucially breaking in the fourth game of set three as he clinched a hard-fought victory after two hours and seven minutes on court.

Alex de Minaur and Taylor Fritz will meet in the Atlanta Open final after three-set wins on Saturday.

De Minaur battled past Reilly Opelka 7-6 (7-4) 6-7 (5-7) 6-3 in their semi-final at the ATP 250 tournament.

Opelka served 28 aces, but De Minaur – the third seed – managed to break twice in the final set, with the American only able to win four return points.

De Minaur, 20, moved into his fourth ATP Tour final and second of the year, the Australian eyeing his second title when he faces Fritz in the decider.

Fritz was also tested before getting past Cameron Norrie 6-1 3-6 6-3 on the back of 15 aces.

The American second seed, 21, is into his third ATP Tour decider as he looks to add to the title he won at Eastbourne last month.

Alex de Minaur advanced to the Atlanta Open semi-finals, while fellow seed Taylor Fritz also progressed on Friday.

De Minaur benefited from a retirement against fellow Australian Bernard Tomic as he set up a clash with Reilly Opelka.

Third seed De Minaur was leading 6-2 3-0 when Tomic retired due to a hand injury at the ATP 250 tournament in Georgia.

"The less time you can spend on court is always to your advantage. It's going to be hopefully some hot, humid weather, which I was expecting coming into this week," De Minaur said. "I'm happy to be where I am and now onto the next [match]."

Next up for De Minaur is Opelka, who reached his second Atlanta semi after outlasting Daniel Evans 7-6 (7-3) 7-5.

American second seed Fritz, meanwhile, saw off Miomir Kecmanovic 6-1 7-6 (7-1) thanks to 11 aces and no break points faced.

Cameron Norrie awaits Fritz after the Brit overcame Alexei Popyrin 7-5 6-4.

Alexander Zverev stormed back to beat Filip Krajinovic and reach the German Tennis Championships semi-finals after splitting with coach Ivan Lendl, while Andrey Rublev claimed the scalp of Dominic Thiem.

Zverev and Lendl have parted ways less than a year after starting their collaboration ahead of the US Open.

The German could start the post-Lendl era with a second ATP Tour singles title of the season, having come from a set and a break down to beat Krajinovic 2-6 7-5 6-2 in his homeland on Friday.

Krajinovic served for the match at 5-3 up in the second set, but Zverev showed great resistance to pull himself off the ropes, winning four games in a row to level the match before largely dominating the decider.

Second seed Zverev will take on defending champion Nikoloz Basilashvili in the last four after the fourth seed beat Jeremy Chardy 6-2 6-3 in Hamburg.

Former World No. 1 Ivan Lendl and Alexander Zverev have parted company after a partnership that included a run to the 2018 #NittoATPFinals. #ATP

— ATP Tour (@ATP_Tour) July 26, 2019

Top seed Thiem's titles hopes were ended with a 7-6 (7-3) 7-6 (7-5) loss to 21-year-old Russian Rublev, who will face Pablo Carreno Busta - a 3-6 6-2 7-6 (7-4) conqueror of Fabio Fognini.

Carreno Busta's fellow Spaniard Roberto Bautista Agut was knocked out of the Swiss Open Gstaad by Joao Sousa, a 4-6 6-3 7-5 quarter-final winner.

Pablo Andujar and Albert Ramos Vinolas continue to fly the flag for Spain in Switzerland, though, and will meet at the semi-final stage following defeats of Dusan Lajovic and Roberto Carballes Baena respectively.

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