Continue reading the main story U. Dimitrov is the lowest-ranked player to beat Federer at the U. Open, surpassing 55th-ranked John Millman, whom Federer lost to in the fourth round last year.
His ranking this year started inside the top 20, but has slid quickly, adding to his frustration. Federer, 38, who received an off-court medical timeout before the fifth set began, won the most recent of his five U.
Open titles in Dimitrov broke in the sixth game of the second set to go up He served for the second set at , but dropped his serve to Federer. Federer then dropped his serve in turn, leveling the match.
Federer seemed to get back on track in the third set.
After Dimitrov double-faulted on break point at , Federer won the next three games. But he was broken in the first game of the fourth set, and a spattering of errors turned into a deluge. He made 19 unforced errors, 11 on the forehand side.
His success on first-serve points plummeted from 93 percent to 61 percent. He had five break points when Dimitrov served for the set at , and could not convert any of them.
After his medical timeout, Federer quickly fell behind by in the deciding set, being broken in his first two service games. Dimitrov lost only one point on his own serve in the set. Federer finished with 61 unforced errors, 33 on the forehand side. Federer said he had an upper back problem that started Tuesday afternoon, but he did not want to dwell on it.
In the semifinals on Friday, Dimitrov will face another first-time U.
Open semifinalist: fifth-seeded Daniil Medvedev, who won, 6 , , , , over the champion Stan Wawrinka on Tuesday afternoon. Serena Williams cruises into the semifinals. Serena Williams turned in her most dominant performance in years , beating the 18th-seeded Wang Qiang, , , in just 44 minutes to claim her th singles win at the U.
Wang had beaten the second-seeded Ashleigh Barty in the fourth round, but had no answers for Williams.
Williams hit 25 winners; Wang hit zero. Open six years ago.
Williams is in the U. Open semifinals for the 13th time; she has not lost before the semifinals in New York since On Thursday she will face fifth-seeded Elina Svitolina.
Daniil Medvedev reaches his first Grand Slam semifinal. Now he has another role: semifinalist. Medvedev, a year-old Russian, defeated Stan Wawrinka, 6 , , , , on Tuesday. Medvedev has been the most successful man on tour this summer. Since July 31, he has played 21 singles matches, reaching consecutive finals in Washington, Montreal and Cincinnati.
But all those matches are a sign not only of his success, but also of a possible problem. After nearly all of his matches in New York, he has complained of a lack of energy or a variety of physical ailments.
But each time, his overwhelming talent has come through. Medvedev is the youngest U. Elina Svitolina claims a spot in the semifinals. Fifth-seeded Elina Svitolina reached her second consecutive Grand Slam semifinal, beating 16th-seeded Johanna Konta, , Both sets followed similar patterns.
In each, Svitolina held a long service game to level at , broke Konta quickly for a lead, then held twice to win. In the second set, Svitolina had two match points on return at , but Konta saved each with strong serves to force the Ukrainian to serve out the match.
Konta has never beaten Svitolina in four tries; she hit 35 unforced errors, compared with 13 by Svitolina.
|AUSTRALIAN OPEN 2015: All the results from the men's and women's singles||
Svitolina will play eighth-seeded Serena Williams on Thursday night. Svitolina has lost to Williams three times, but won their most recent match, in the third round of the Rio Olympics.
Monfils plays a quarterfinal against Matteo Berrettini on Wednesday afternoon. Now he needs to step up his game.