Stefanos Tsitsipas served sweet revenge after months of bad form on Friday when he defeated Japan's Kei Nishikori in straight sets to advance into the third round of the Shanghai Masters. Tsitsipas -- who suffered a shock defeat to Nishikori in Montreal in August -- battled through two tight sets to win 7-6 (8/6),

He hadn't won on the ATP circuit since Cincinnati. Now he has. Stefanos Tsitsipas dominated Kei Nishikori in less than 2 hours (7-6, 6-4) to reach

On Tuesday, Kei Nishikori (No. 200 in the world) faces Mariano Navone (No. 40) in the Round of 128 at the Rolex Shanghai Masters. Watch tennis, other live sports and more on Fubo. Use our link to sign up for a free trial.

Second-round matches begin on Friday at the ATP Shanghai Masters, meaning top players will be in action. This article features the match between Ben Shelton and Denis Shapovalov, alongside three other exciting battles.