Stefan Kozlov

Stefan Kozlov is an American tennis player born on 1 February 1998. He competes on the ATP Tour and currently holds a ranking of 290 in the ATP singles standings with 195 points. His career-high ranking is 103. In the 2026 season race, he is positioned at 259. According to Tennis Post's match data, Kozlov has played one tournament in the 2026 season, recording one loss. He competed at the Washington Championships, an ATP 500 event in July 2026, where he lost in qualifying.