American tennis star John Isner hoped to do a bit better at the Nitto ATP Finals. The 33-year-old didn't have a great debut at The O2 Arena as he failed to win a single match. The American's campaign at the ATP Finals ended with a straight-set loss suffered to world No .5 Alexander Zverev 7-6 (5) 6-3.
Isner, ranked at No. 10 in the world, failed to convert a set point in the 12th game of the first set before the German converted his first set point in the tie-break to claim the opener. The 33-year-old got broken in the eighth game of the second set as Zverev served out for the match in the following game.
Wimbledon semi-finalist Isner suffered a straight-set loss to world No. 1 Novak Djokovic in his ATP Finals opener before he was edged out by Croatian Marin Cilic in three sets. "It didn't go as planned. You make this tournament, you want to do a little bit better.
But this is no normal event. You're up against the best in the world. I came up short against players who were better than me this week," Isner said after losing to Zverev, per George Bellshaw. Zverev will have to beat record 20-time Grand Slam champion Roger Federer to reach the final at The O2 Arena.
Isner isn't counting out Zverev but gives Federer the slight edge. "I think it will be a very close match between those two. You have to say Roger is the favourite, but only slightly," Isner said of the upcoming semi-final between Zverev and Federer.