NEW YORK (AP) A look at Wednesday's play in the $46.3 million U.S. Open tennis championships:
WEATHER: Warm and humid with a mix of sun and clouds. High of 86.
ATTENDANCE: Day: 22,777.
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MEN'S RESULTS (Quarterfinals): No. 6 Kei Nishikori reached his second U.S. Open semifinal, outlasting No. 2 Andy Murray in five sets. No. 3 Stan Wawrinka and Juan Martin del Potro met in the late match.
WOMEN'S RESULTS (Quarterfinals): No. 10 Karolina Pliskova advanced to her first Grand Slam semifinal with a straight-sets victory over unseeded Ana Konjuh. Her semifinal opponent will be six-time champion Serena Williams or No. 5 Simona Halep, who opened the night session.
TOP PLAYERS ON COURT THURSDAY (Semifinals): No. 2 Angelique Kerber vs. Caroline Wozniacki, No. 1 Serena Williams or No. 5 Simona Halep vs. No. 10 Karolina Pliskova.
STAT OF THE DAY: 7 – Consecutive games lost by Andy Murray after he was bothered by the chair umpire's decision to call a let on a loud noise that came from the stadium's speaker system. Murray led two sets to one and held break points at 1-all in the fourth set at the time of the ruling.
QUOTE OF THE DAY: ''I don't care at what time it came. I'm just happy that it's now and that it came,'' Karolina Pliskova, who is participating in the 18th Grand Slam tournament of her career, was the only current member of the top 20 in the WTA rankings who never had even been past the third round at a major.
THURSDAY ON TV (All Times EDT): 7-11 p.m., ESPN
ON THIS DATE (Sept. 8, 2002): Pete Sampras wins the final match of his career, a 6-3, 6-4, 5-7, 6-4 victory over Andre Agassi, for the men's singles title.