Struff not needed knocks out Tsitsipas in Cincinnati
Fifth seed Stefanos Tsitsipas 's Cincinnati Masters The challenge ended in the second round on Wednesday when he was defeated 6-4, 6-7 (5), 7-6 (6) by an unseeded German Jan-Lennard Struff .
Struff, who has not yet won an ATP singles title in his professional career of a decade, was at the top for most of the 21-year-old Greek match.
It served for the game in the second set, but Tsitsipas managed to stay alive by taking the second set in a tiebreaker.
However, the German refused to give up and sealed the victory to organize a final meeting of 16 with Daniil Medvedev, ninth seed, who beat the Frenchman Benoit Paire 7-6 (2), 6-1.
Among the other surprises on Wednesday, number five in the world Kei Nishikori He was defeated 7-6 (2), 6-4 by the Japanese qualifier Yoshihito Nishioka.
World number one Novak Djokovic and third seeded Roger Federer advanced to the last 16 on Tuesday.