11:20 p.m. No. 3 seed Juan Martin del Potro continued his easy march through the U.S. Open, beating No. 20 Borna Coric 6-4, 6-3, 6-1 to reach the quarterfinals for the third year in a...

The Latest on the U.S. Open tennis tournament (all times local): 2:22 a.m. Marin Cilic, the 2014 U.S. Open champion, needed eight match points to recover from a two-set deficit and...

The Latest on the U.S. Open tennis tournament (all times local): 2:10 p.m. Defending U.S. Open champion Sloane Stephens grabbed the last three games after a brief break while the Arthur Ashe...

The Latest on the U.S. Open tennis tournament (all times local) 12:25 a.m. Maria Sharapova overcame a bit of a stumble and 10 double-faults to grab the last three games in a 6-2, 7-5 victory over 51st-ranked Sorana Cirstea of Romania 6-2, 7-5 in the U.S. Open's second round....

The Latest on the U.S. Open tennis tournament (all times local): 1:10 a.m. Two-time major champion Garbine Muguruza let a lead slip away and was stunned in the second round of the U.S. Open by 202nd-ranked Czech qualifier Karolina Muchova 3-6, 6-4, 6-4....

The Latest on the U.S. Open tennis tournament (all times local): 12 a.m.: Maria Sharapova held on to edge 39-year-old Patty Schnyder, the oldest female qualifier in Grand Slam history, in the U.S. Open's first round....

The Latest on the U.S. Open tennis tournament (all times local): 11:20 p.m.: Top-ranked Rafael Nadal advanced to the second round of the U.S. Open when David Ferrer retired in the second set of their all-Spanish matchup....

Any discussion of the serve clocks that will make their Grand Slam debut during the U.S. Open's main draw starting Monday, and could become a regular part of tennis as soon as next year, inevitably...

Connecticut Open tournament director Anne Worcester heard the same story over and over last week from top players who had committed to her event, the final WTA tuneup before the U.S. Open. They...

Serena Williams isn't worried about a dress code at the French Open. Her skin-tight black catsuit won't be welcome, but Williams had already put it back in the closet. She no longer needs a...