Tennis star Sloane Stephens says she and her husband, Jozy Altidore, are officially through … announcing their split in a social media post Saturday.

Stephens — who won the U.S. Open back in 2017 — writes she is navigating the split with “mutual respect” … and, she asks for privacy. She did not provide a reason for the divorce.

We’ve reviewed divorce documents which Stephens filed earlier this month in Florida … in which she calls the marriage “irretrievably broken.”

Stephens and Altidore met while still in middle school … though they didn’t get together until they reconnected in 2016. The two married on January 1, 2022 in Miami Beach, FL.

Altidore is a retired soccer pro … playing in both Major League Soccer and abroad from 2006 to 2022. He also scored 42 goals in 115 appearances for the United States Men’s National Team.