Head to Head
| Qatar Open Women | 2017/10/21 10:00 | Sangsu Lee v Koki Niwa | L | 2-4 |
Home History
| Australian Open | 2019/07/12 10:55 | Sangsu Lee v Gaoyuan Lin | L | 3-4 |
| Australian Open | 2019/07/11 10:50 | Sangsu Lee v Yang Wang | W | 4-1 |
| Korea Open | 2019/07/04 11:20 | Marcos Freitas v Sangsu Lee | L | 4-3 |
| Japan Open | 2019/06/14 10:20 | Wen Sun v Sangsu Lee | L | 4-1 |
| Japan Open | 2019/06/14 04:20 | Zihao Zhao v Sangsu Lee | W | 2-4 |
| Hong Kong Open | 2019/06/06 13:00 | Simon Gauzy v Sangsu Lee | L | 4-3 |
| China Open | 2019/05/30 12:15 | Sangsu Lee v Simon Gauzy | L | 1-4 |
| World Championship | 2019/04/25 08:00 | Sangsu Lee v Mattias Falck | L | 1-4 |
Away History
| T2 Diamond | 2019/07/19 10:00 | Koki Niwa v Mattias Falck | L | 2-4 |
| Australian Open | 2019/07/11 07:30 | Koki Niwa v Yun-Ju Lin | L | 3-4 |
| Korea Open | 2019/07/04 11:20 | Seungmin Cho v Koki Niwa | L | 4-1 |
| Japan Open | 2019/06/14 04:20 | Kazuhiro Yoshimura v Koki Niwa | L | 4-2 |
| Hong Kong Open | 2019/06/07 11:10 | Koki Niwa v Jun Mizutani | L | 2-4 |
| Hong Kong Open | 2019/06/06 08:50 | Koki Niwa v Sathiyan Gnanasekaran | W | 4-1 |
| China Open | 2019/05/31 12:30 | Long Ma v Koki Niwa | L | 4-0 |
| China Open | 2019/05/30 08:55 | Kazuhiro Yoshimura v Koki Niwa | W | 0-4 |