NEW YORK (AP) -- A look at Tuesday's play at the $42.3 million U.S. Open tennis championships:
WEATHER: Sunny and hot. High of 93.
ATTENDANCE: Day: 25,808.
MEN'S RESULTS (Quarterfinals): No. 9 Marin Cilic outlasted No. 19 Jo-Wilfried Tsonga in five sets and nearly four hours.
WOMEN'S RESULTS (Quarterfinals): Roberta Vinci reached her first Grand Slam semifinal, defeating Kristina Mladenovic in three sets.
ON COURT WEDNESDAY (Quarterfinals): Men: No. 2 Roger Federer vs. No. 12 Richard Gasquet, No. 5 Stan Wawrinka vs. No. 15 Kevin Anderson. Women: No. 2 Simona Halep vs. No. 20 Victoria Azarenka, No. 5 Petra Kvitova vs. No. 26 Flavia Pennetta.
STAT OF THE DAY: 44 -- The number of Grand Slam tournaments played by Roberta Vinci before reaching her first semifinal.
QUOTE OF THE DAY: "I know I have a lot of experience but when you play Serena doesn't matter. You have to play better, then better, then better." -- Roberta Vinci, on a potential semifinal matchup with Serena Williams.
WEDNESDAY ON TV (All Times EDT): 11 a.m.-6 p.m., ESPN; 8-11 p.m., ESPN2
ON THIS DATE (Sept. 9, 1978): Chris Evert wins her fourth consecutive U.S. Open singles title, defeating Pam Shriver in straight sets.