US Open at a glance

US Open at a glance

A look at Sunday’s play at the $21.6 million U.S. Open tennis championships:

WEATHER: Early clouds followed by clearing. High of 80. Mild and breezy during the night match with temperatures in the low 70s.

ATTENDANCE: Day: 24,127. Night: 23,351. Total: 47,478.

MEN’S RESULTS: Semifinals: No. 1 Roger Federer and No. 6 Juan Martin del Potro advanced to the finals. Federer reached his 21st Grand Slam final by defeating No. 4 Novak Djokovic 7-6 (3), 7-5, 7-5. Del Potro will be playing his first Grand Slam final after routing No. 3 Rafael Nadal 6-2, 6-2, 6-2.

WOMEN’S RESULTS: Championship: Unseeded Kim Clijsters won her second U.S. Open women’s singles title, beating No. 9 Caroline Wozniacki 7-5, 6-3.

ON COURT MONDAY: Men’s Championship: No. 1 Roger Federer vs. No. 6 Juan Martin del Potro.

STAT OF THE DAY: Kim Clijsters is the first mother to win a Grand Slam singles title since Evonne Goolagong Cawley at Wimbledon in 1980.

QUOTE OF THE DAY: “It was not really our plan. I just wanted to start these three tournaments and get back into the rhythm of playing tennis and get used to the surroundings again.” — Kim Clijsters, on her surprising run to the women’s singles title.

MONDAY ON TV (All Times EDT): CBS, 4-7 p.m. (men’s singles final); ESPN2, 1-3 p.m. (women’s doubles final)

ON THIS DATE: Sept. 13, 1987: Ivan Lendl defeats Mats Wilander 6-7 (9), 6-0, 7-6 (4), 6-4 in a Monday final that lasts 4 hours, 47 minutes.