Zverev upsets No. 1 Nadal at ATP Finals
Germany's Alexander Zverev upset World No.1 Rafael Nadal 6-2, 6-4 on Monday as he began his title defense at the Nitto ATP Finals in London.
The 22-year-old Zverev never faced a break point in beating the Spaniard for the first time in six tries.
"This means so much, playing here again after winning my biggest title so far in my career here last year," said the No. 7 seed Zverev, who is also the world's seventh-ranked player. "This means everything to me."
Last year, Zverev defeated Roger Federer and then-No. 1 Novak Djokovic en route to the championship of the season-ending event, which places the top eight players in two groups. After round-robin play, the top two from each group advance to the semifinals at the O2 Arena.
Nadal, who withdrew from the Paris Masters semifinals on Nov. 2 because of an abdominal injury, was broken twice in the first set and won just 55 percent of his service points in the 85-minute match.
"Good, no complaint about the physical condition," he said in his post-match press conference. "No pain in abdominal. That's the only positive thing, honestly. That's all."
Nadal, 33, is looking to finish the season No. 1 for the fifth time but can be caught by No. 2 Djokovic, who won his opening match Sunday, 6-2, 6-1 over Italy's Matteo Berrettini, the No. 8 seed.
In the other match Monday in Group Andre Agassi, sixth-seeded Stefanos Tsitsipas of Greece defeated No. 4 Daniil Medvedev 7-6 (5), 6-4 as both players made their debut in the event. Tsitsipas had been 0-5 against the Russian in his career.
"It's one of the most important victories in my career so far. I gave myself a big boost today, kept believing, kept fighting. It's such a relief," Tsitsipas said. "It's not easy coming in knowing you've lost five times before, but I made a deal with myself that I'll keep trying until I get it. It doesn't matter if it's 10, 20 times."
Medvedev never had a break point on his racquet and was broken in the ninth game of the second set as Tsitsipas then went on to clinch the match.
On Tuesday matches in Group Bjorn Borg, Berrettini will play No. 3 Federer, and Serbia's Djokovic faces Dominic Thiem. The fifth-seeded Austrian defeated Federer 7-5, 7-5 on Sunday.
--Field Level Media
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