Kei Nishikori withdrew from the U.S. Open on Wednesday, saying a back injury has not fully healed. Nishikori was injured in May and pulled out of the French Open. The 2014 U.S.

Iga Świątek, and now her mixed doubles partner Casper Ruud, refuse to lose.

Ben Shelton returns to Flushing Meadows with newfound confidence after claiming his biggest title and a career-high ranking ...