| Country (sports) |  Japan |
|---|---|
| Born | 20 May 2002 Shizuoka, Japan |
| Height | 1.78 m (5 ft 10 in) |
| Plays | Right-handed |
| College | Tennessee |
| Prize money | $40,786 |
| Singles | |
| Career record | 0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Career titles | 2 ITF |
| Highest ranking | No. 537 (2 February 2026) |
| Current ranking | No. 537 (2 February 2026) |
| Doubles | |
| Career record | 0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Career titles | 1 Challenger, 5 ITF |
| Highest ranking | No. 453 (21 August 2023) |
| Current ranking | No. 530 (19 January 2026) |
| Last updated on: 2 February 2026. | |
Shunsuke Mitsui (born 20 May 2002) is a Japanese tennis player.
Mitsui has a career high ATP singles ranking of No. 537 achieved on 2 February 2026 and a career high ATP doubles ranking of No. 453 achieved on 21 August 2023. [1]
Mitsui has won one ATP Challenger doubles title at the 2025 Champaign Challenger.
