MASON, Ohio — Wimbledon champion Roger Federer has withdrawn from the Western & Southern Open, which he has won seven times.
Tournament officials announced Federer’s withdrawal on Monday, the first full day of matches at the event in Cincinnati.
The 19-time major champion says he “tweaked” his back last week at the Rogers Cup, where he lost Sunday to Alexander Zverev in the final.
The Swiss star, No. 3 in the ATP Tour rankings, becomes the fifth of the top six players to skip Cincinnati because of injuries. He joins top-ranked Andy Murray, No. 4 Stan Wawrinka, fifth-ranked Novak Djokovic and sixth-ranked Marin Cilic, the defending champion.
Federer’s withdrawal means Rafael Nadal will return to No. 1 when new ATP rankings are released on Aug. 21. The Spaniard will be No. 1 for the first time since July 6, 2014.
Nadal has spent 141 weeks as the men’s No. 1 player.
LONDON — Novak Djokovic retired with an injury from his quarterfinal match at Wimbledon, vaulting Tomas Berdych into the semifinals.
Djokovic, a three-time champion at the All England Club, had a trainer work on his right elbow after the first set ended. He also had a trainer work on his right shoulder near the end of his fourth-round victory on Tuesday.
Djokovic stopped the quarterfinal match while trailing 7-6 (2), 2-0.
Berdych reached the Wimbledon final in 2010, losing to Rafael Nadal. He will next face Roger Federer in the semifinals on Friday.
LONDON– Novak Djokovic played the first match of this year’s Wimbledon tournament under a closed roof on Centre Court, and he won it in straight sets.
The three-time champion at the All England Club beat Adrian Mannarino 6-2, 7-6 (5), 6-4 in a fourth-round match that was postponed from Monday.
During the third set, with Djokovic already up a break, the second-seeded Serb asked for a medical timeout and a trainer examined and stretched his right shoulder. Djokovic appeared to grimace in pain a couple of times as his shoulder was being checked.
Djokovic will face 2010 Wimbledon finalist Tomas Berdych, a man he has beaten 25 times in 27 matches, on Wednesday in the quarterfinals.