The following are some of the other contenders for the men's singles title at the U.S. Open, which begins on Sunday: ...

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

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.