| Country (sports) |  United States |
|---|---|
| Born | September 1, 2002 Murray, Utah, United States |
| Height | 1.91 m (6 ft 3 in) |
| Plays | Right-handed (two-handed backhand) |
| College | Oregon |
| Prize money | $64,000 |
| Singles | |
| Career record | 0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Career titles | 1 ITF |
| Highest ranking | No. 555 (May 6, 2024) |
| Current ranking | No. 669 (November 3, 2025) |
| Doubles | |
| Career record | 0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Career titles | 1 ATP Challenger |
| Highest ranking | No. 921 (October 27, 2025) |
| Current ranking | No. 963 (November 3, 2025) |
| Last updated on: November 8, 2025. | |
Quinn Vandecasteele (born September 1, 2002) is an American tennis player.
Vandecasteele has a career high ATP singles ranking of 555 achieved on May 6, 2024. He also has a career high ATP doubles ranking of 921 achieved on October 27, 2025. [1]
Vandecasteele has won one ATP Challenger doubles title at the 2025 Knoxville Challenger.
