Lee Sang Su: results and match history
Record
| Year | Wins | Losses |
|---|---|---|
| 2025 | 12 | 9 |
| Total | 12 | 9 |
Head-to-head records
- Lin Yun-Ju 2–1
Matches by tournament
WTT Champions Frankfurt 2025 November 4–9, 2025
| L | Men's singles Semifinals | Lee Sang Su KOR vs Dang Qiu GER 1-4 4-11, 9-11, 11-7, 6-11, 9-11 |
| W | Men's singles Quarterfinals | Simon Gauzy FRA vs Lee Sang Su KOR 2-4 9-11, 6-11, 11-4, 15-13, 4-11, 7-11 |
| W | Men's singles Round of 16 | Lee Sang Su KOR vs Lin Yun-Ju TPE 3-1 12-14, 13-11, 11-7, 11-9 |
| W | Men's singles Round of 32 | Lee Sang Su KOR vs Ricardo Walther GER 3-0 11-0, 11-0, 11-0 |
WTT Champions Montpellier 2025 October 28 – November 2, 2025
| L | Men's singles Quarterfinals | Lee Sang Su KOR vs Jang Woojin KOR 1-4 8-11, 11-8, 8-11, 8-11, 5-11 |
| W | Men's singles Round of 16 | Kanak Jha USA vs Lee Sang Su KOR 2-3 8-11, 8-11, 13-11, 11-4, 7-11 |
| W | Men's singles Round of 32 | Lee Sang Su KOR vs An Jaehyun KOR 3-1 11-7, 9-11, 11-9, 11-7 |
China Smash 2025 September 25 – October 5, 2025
| L | Men's singles Round of 64 | Lee Sang Su KOR vs Milosz Redzimski POL 2-3 9-11, 12-10, 13-11, 9-11, 7-11 |
WTT Champions Macao 2025 September 9–14, 2025
| L | Men's singles Round of 32 | Lee Sang Su KOR vs Thibault Poret FRA 0-3 10-12, 9-11, 9-11 |
Europe Smash - Sweden 2025 August 14–24, 2025
| L | Men's singles Round of 64 | Lin Yun-Ju TPE vs Lee Sang Su KOR 3-0 16-14, 11-7, 11-8 |
WTT Champions Yokohama 2025 August 7–11, 2025
| L | Men's singles Round of 32 | Matsushima Sora JPN vs Lee Sang Su KOR 3-2 16-18, 9-11, 11-8, 11-6, 11-7 |
United States Smash 2025 July 3–13, 2025
| L | Men's singles Round of 16 | Lee Sang Su KOR vs Wang Chuqin CHN 0-3 4-11, 5-11, 5-11 |
| W | Men's singles Round of 32 | Liam Pitchford ENG vs Lee Sang Su KOR 1-3 11-7, 6-11, 10-12, 8-11 |
| W | Men's singles Round of 64 | Lee Sang Su KOR vs Kanak Jha USA 3-2 11-8, 12-10, 5-11, 9-11, 11-4 |
WTT Champions Incheon 2025 April 1–6, 2025
| L | Men's singles Final | Lee Sang Su KOR vs Xiang Peng CHN 0-4 8-11, 0-11, 3-11, 4-11 |
| W | Men's singles Semifinals | Lin Yun-Ju TPE vs Lee Sang Su KOR 2-4 11-5, 5-11, 9-11, 2-11, 11-8, 9-11 |
| W | Men's singles Quarterfinals | Lee Sang Su KOR vs Lin Gaoyuan CHN 4-2 12-10, 11-9, 7-11, 12-10, 9-11, 11-4 |
| W | Men's singles Round of 16 | Lee Sang Su KOR vs Anders Lind DEN 3-1 4-11, 12-10, 11-6, 11-4 |
| W | Men's singles Round of 32 | Felix Lebrun FRA vs Lee Sang Su KOR 2-3 11-5, 8-11, 6-11, 12-10, 9-11 |
WTT Champions Chongqing 2025 March 11–16, 2025
| L | Men's singles Round of 16 | Lee Sang Su KOR vs Shinozuka Hiroto JPN 2-3 11-7, 13-11, 8-11, 9-11, 6-11 |
| W | Men's singles Round of 32 | Hugo Calderano BRA vs Lee Sang Su KOR 1-3 5-11, 3-11, 11-3, 12-14 |
Source: WTT official results. Updated October 31, 2026. worldtabletennis.com