French Open 2018: Results, Highlights, Sunday Scores Recap from Roland Garros

Alexander Zverev

Zverev said he spends up to four hours each day working on weights and fitness.

Zverev had survived successive five-setters in the previous two rounds, including saving a match point against Damir Dzumhur in the last 32, but his worn out legs and blistered feet again worked overtime to carry him over the finishing line against Russian Khachanov at Court Suzanne Lenglen.

Stephens, the 10th-seeded American, also reached the last eight in Paris for the first time, beating No. 25 Anett Kontaveit of Estonia 6-2, 6-0.

These hurdles have finally been overcome, but Zverev has had to dig deep.

But the greater power of Keys paid dividends in the breaker, as the American finally took the opener on her fourth set point with her 18th victor. As the score indicates, that was far less compelling, in part because Zverev felt pain in his left hamstring 10 minutes into the match and wound up having his leg taped by a trainer.

Paris - Dominic Thiem reached his third successive French Open semi-final on Tuesday with a 6-4, 6-2, 6-1 demolition of a hobbled and exhausted Alexander Zverev who admitted he was close to quitting the tie.

In the second game of the second set, she was convinced an incorrect call went in favor of Keys and asked the chair umpire to come down and check it. I don't know if I'm going to play on grass. However, despite the fact that Thiem had a dominant head to head over Zverev (especially on clay) the honours went to the German in the Madrid Masters final, in quite commanding fashion. "And the last ten years you needed to beat at least two of them in a Grand Slam to win, and not many players did it", said Thiem.

The statistics made bleak reading for Zverev - he finished with 42 unforced errors and just 19 winners.

U.S. Open runner-up Madison Keys advanced to the last eight without dropping a set, defeating Romania's Mihaela Buzarnescu 6-1 6-4.

"The first two sets were wonderful, but then he raised his level and it was 50-50".

On the men's side, Novak Djokovic was facing Fernando Verdasco on Court Philippe Chatrier, where he won the last of his 12 major titles in 2016.

"At the end I was nervous".

The second-set tiebreaker was scrappy, Zverev clinching it with an ace to level the match. She will now face compatriot Sloane Stephens for a place in the final.

Two Americans are in the women's quarterfinals: No. 10 Sloane Stephens and No. 13 Madison Keys, who played each other in the U.S. Open final previous year. In the women's quarterfinals, two Americans could win and set up a semifinal rematch of their U.S. Open final a year ago: No. 10 Sloane Stephens and No. 13 Madison Keys. "I'm young. I might as well stay on court and entertain you guys, " Zverev said. I'll get myself ready, " Zverev said, smiling.

In the first round at Roland Garros, he dropped the first two sets against Marius Copil, a player ranked 94th, before coming all the way back to win 10-8 in the fifth.

For the former champion, though, it was not to be as he came up against the unseeded Marco Cecchinato in blistering form, and lost a gruelling and highly intense four-setter, 6-3, 7-6 (4), 1-6, 7-6 (11).

"I'm just taking it one match at a time, and right now, considering I played nearly four hours in my last match, I felt pretty good physically today", said Djokovic.

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