Nick Kyrgios and Thanaki Kokkinakis completed their Melbourne mission as they were crowned Australian Open doubles champions on Rod Laver Arena.

The Special Ks partnership, who have drawn huge crowds and fresh interest to doubles, sealed the title with a 7-5 6-4 win over fellow Australians Max Purcell and Matthew Ebden.

It was approaching midnight on a special day for Australian tennis when Kyrgios and Kokkinakis got over the line, following women's singles queen Ash Barty onto the roll call of this year's champions.

With one break of serve in each set, Kyrgios and Kokkinakis held firm behind their own games as the singles specialists showcased their precocious skills on the doubles court.

Kyrgios served for the win in style, firing two aces in a row before Kokkinakis put away a volley on match point.

The new champions forced the only break of the first set in the 11th game when Ebden volleyed into the net off the return of serve from Kokkinakis, who was then the chief aggressor as he and Kyrgios secured a break in the seventh game of the second set.

Kyrgios has never been beyond the quarter-finals of a singles slam, reaching that stage at Wimbledon as a teenager in 2014 before doing likewise at the 2015 Australian Open.

His redoubtable talent has not been backed up by the trophies many expected him to win, and he will have turned 27 by the time the next major, the French Open, begins in late May.

Together with Kokkinakis, whose own promising career has been blighted by injuries, Kyrgios has thrived this fortnight. And although the prize money in doubles pales against the singles rewards on offer, a first taste of grand slam glory could be a major career spark for this pair.

They were the wildest of wildcards, with Kyrgios criticised by Michael Venus, a New Zealander left in his wake in the quarter-finals, for his showboating style and geeing up of the crowd.

"It felt like a circus out there and not really a tennis match," complained Venus, speaking to New Zealand channel 1News. Any doubles partnership featuring the combustible Kyrgios is likely to be an acquired taste.

This time, though, it felt like a party, with Ebden saying he was "really, really impressed" by Kyrgios and Kokkinakis, and Purcell said it was "hell of fun to watch you guys play".

Australia Day was on Wednesday, but Saturday felt like an extended celebration.

Daniil Medvedev reached the Open 13 final in Marseille after Matthew Ebden had to call it quits midway through their semi-final due to injury.

Before Ebden retired he made Medvedev work hard in taking the first set, with the Russian forced into saving three break points along the way.

Medvedev then broke the Australian to go 5-4 up and he looked in control from there, taking the set 6-4 and then winning the first three games of the second set prior to Ebden deciding he could go on no longer, with his opponent also 40-15 up.

Ebden had left the court for a medical timeout towards the end of the first set but never looked completely comfortable thereafter, and Medvedev saluted his opponent's efforts before turning his attentions to Sunday's final against Pierre-Hugues Herbert, grateful there will not be a home crowd to cheer on the Frenchman.

"Before this [injury] it was a close match," Medvedev said. "He was getting close to breaking me at 0-40 [in the first set], so really unfortunate to end the match like this. I knew that even with an injury I had to just continue playing, trying to win.

"You cannot give easy points just because he's injured. So, I'm really sorry for him, hopefully he can recover fast and it's nothing serious. He's a tough opponent to play, he does serve and volley, he plays [with] no rhythm, so that's why it's tough to say if I played well or not.

"But I'm looking forward for tomorrow [the final]. Luckily this time no crowd, because a final against a French guy in Marseille with a crowd would be not an easy challenge."

Herbert was in devastating form against his compatriot Ugo Humbert, clinching his 6-3 6-2 win in a little over an hour without facing a single break point.

That continued his impressive form in this tournament, having previously eliminated Stefanos Tsitsipas and Kei Nishikori, and he will be hoping to win his first singles title in Sunday's finale.

At the Qatar Open in Doha, Georgia's Nikoloz Basilashvili sealed his fourth ATP Tour title by beating Roberto Bautista Agut 7-6 (7-5) 6-2.

Basilashvili's performances in Doha have exceeded expectations given he went into the tournament with just two wins in his previous 16 matches – he now adds a trophy to his stunning quarter-final scalp of Roger Federer.

Victory also ended a title drought stretching back to July 2019 when he was triumphant in Hamburg, while he has now won his last four finals having lost the previous two.

Egor Gerasimov followed up his win over Andy Murray in Montpellier by powering past a man who once played second fiddle to the Scot.

The Belarusian saw off Aljaz Bedene, with a 6-4 7-6 (7-4) win carrying him through to the quarter-finals of the Open Sud de France.

Bedene was British number two to Murray heading into Wimbledon in 2016, when the Scot won his third grand slam title, but has since reverted to representing his native Slovenia.

He put up a fight against Gerasimov, who sank Murray in straight sets on Tuesday, but the 28-year-old from Minsk took three of his five break-point opportunities and held his nerve in the tie-break to advance.

The success for Gerasimov sets up a last-eight clash with Spain's Alejandro Davidovich Fokina, who scored a fine 7-5 6-2 win over Polish fourth seed Hubert Hurkacz.

Top seed and world number 13 Roberto Bautista Agut raced to a 6-0 6-3 victory over French qualifier Gregoire Barrere, but Croatian third seed Dusan Lajovic tumbled out, losing to Dennis Novak in straight sets.

At the Singapore Open, second seed John Millman fell by the wayside, the Australian slumping 6-4 6-1 to compatriot Matthew Ebden.

French top seed Adrian Mannarino encountered no such problems, ending the hopes of Roberto Marcora with a 6-3 7-5 win to join Ebden in the quarter-finals.

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