MARSEILLE, France (AP) Second-seeded Stan Wawrinka hobbled out of the Open 13 second round after retiring when trailing 6-4, 1-1 against Ilya Ivashka on Thursday.
It was not immediately clear why Wawrinka abandoned against the 193rd-ranked Belarusian, but the three-time Grand Slam champion still appears to be struggling with his troublesome left knee and looked upset as he left the court. This loss follows the 32-year-old Swiss player’s unexpected first-round defeat to 259th-ranked Dutchman Tallon Griekspoor at the ABN AMRO World Tournament in Rotterdam last week.
Ivashka advances to the quarterfinals against Frenchman Nicolas Mahut, who upset sixth-seeded Gilles Muller of Luxembourg 3-6, 6-2, 6-4.
Meanwhile, Tomas Berdych rallied to reach the last eight. The fourth-seeded Czech labored to a 5-7, 7-6 (4), 6-3 win against unheralded Italian Stefano Travaglia, who had 18 aces. Berdych next plays seventh-seeded Damir Dzumhur of Bosnia-Herzegovina
Eighth-seeded Filip Krajinovic of Serbia and ninth-seeded Russian Karen Khachanov also advanced, but far more easily in straight sets.
Krajinovic won 6-3, 6-3 against French veteran Gilles Simon. Krajinovic was a surprise runner-up at the Paris Masters in November after coming through the qualifiers, and he next faces third-seeded Frenchman Lucas Pouille.
The 21-year-old Khachanov was in clinical form in a 6-2, 6-1 win against Mischa Zverev, taking all four of his break-point chances on the German player’s serve.
He next plays 36-year-old Frenchman Julien Benneteau.
DALLAS – Marcos Giron advanced to the second round of the Dallas Open with a 6-4, 6-7 (1), 6-1 victory over Alex Rybakov on Tuesday.
The seventh-seeded Giron, who reached the semifinals of the inaugural event a year ago, responded quickly after failing to close out the second set, winning the first five games of the deciding set.
Rybakov broke his fellow American when Giron was serving for the match in the second set. Then Rybakov won the first six points of the second-set tiebreaker.
“I’m really happy with how I was able to reset in the third and just get back to the game plan from the beginning and elevate,” Giron said. “He played well and served well and kind of hung in there.”
Eighth-seeded Adrian Mannarino of France won the final five points of a first-set tiebreaker and the last four games of the second to beat American Steve Johnson 7-6 (6), 6-2.
J.J. Wolf, the No. 6 seed, had little trouble in a 6-3, 6-3 victory over fellow American Brandon Holt.
John Isner, the fifth seed and unofficial tournament host in his hometown event, played later Tuesday. Like Giron, Isner lost in the semifinals last year.
DALLAS – Wild-card entry Jack Sock opened with a 7-6 (2), 4-6, 6-4 victory over Ilya Ivashka at the Dallas Open, setting up a second-round meeting with top-seeded fellow American Taylor Fritz.
Sock broke Ivashka’s serve in the final game to win the match. Ivashka fell behind 2-0 to start the final set but broke Sock to get back on serve.
Down a break early in the second set, Ivashka rallied to force the deciding set after Sock cruised in the first-set tiebreaker.
The eighth-ranked Fritz is back for the second Dallas Open after losing in the semifinals as the top seed in the inaugural edition of the indoor hard-court event last year. Defending champion Reilly Opelka isn’t in the field.