NEW YORK (AP) — Get ready for U.S. Open Tennys.
The U.S. Tennis Association made the announcement Monday.
Nishioka was injured in March while playing in the Miami Open.
Sandgren, ranked No. 106, will be making his U.S. Open main-draw debut. The 26-year-old Tennessee native lost in the first round of the French Open in what was his first appearance in the main draw of a Grand Slam.
Sandgren's parents gave him his great-grandfather's first name.