Second seed Felix Auger-Aliassime survived after an early scare against Andreas Seppi to progress to the third round at the Citi Open in Washington D.C. on Tuesday.

The Canadian world number 15 won 2-6 6-2 6-2 in just under two hours over the 37-year-old Italian.

Seppi had beaten Auger-Aliassime in the opening round at the French Open in June.

Auger-Aliassime this time hit 25 winners, including nine aces, overcoming a slow start where he was broken twice inside the opening six games to win in three sets.

Youngster Jenson Brooksby continued his bright start in Washington D.C. with a 7-6 (7-4) 7-5 win over fellow American Francis Tiafoe.

Australian Nick Kyrgios was bundled out by Mackenzie McDonald 6-4 6-4, while 12th seed Sebastian Korda eased past Vasek Pospisil 7-5 6-4 in the second round.

Seventh seed Cameron Norrie also triumphed in straight sets over Marcos Giron 6-4 6-3, while emerging star Brandon Nakashima celebrated his 20th birthday with a 6-3 6-3 victory over Alexei Popyrin.

Denis Kudla beat Feliciano Lopez to set up a second round date with 10th seed Taylor Fritz, while Tennys Sandgren will meet 14th seed Lloyd Harris after beating James Duckworth in three sets.

Finland's Emil Ruusuvuori beat India's Prajnesh Gunneswaran 2-6 6-1 6-1 and will take on fifth seed Jannik Sinner in the second round.