Head to Head
| Oman Open U21 Women | 2019/11/02 07:10 | Linwei Sai v Guankai Niu | W | 3-0 |
Home History
| WTT Feeder Amman | 2023/02/01 14:30 | Linwei Sai v Haidong Xu | L | 0-3 |
| WTT Contender Almaty | 2022/09/16 13:15 | Ruwen Filus v Linwei Sai | L | 3-1 |
| WTT Contender Almaty | 2022/09/15 09:45 | Marcelo Aguirre v Linwei Sai | W | 0-3 |
| WTT Contender Almaty Quals | 2022/09/14 10:40 | Snehit Suravajjula v Linwei Sai | W | 0-3 |
| WTT Contender Almaty Quals | 2022/09/14 04:40 | Salem Alsuwailem v Linwei Sai | W | 1-3 |
| WTT Contender Muscat Quals | 2022/09/06 11:00 | Jules Rolland v Linwei Sai | W | 0-3 |
| WTT Feeder Panagyurishte | 2022/09/03 16:55 | Anders Lind v Linwei Sai | L | 4-2 |
| WTT Feeder Panagyurishte | 2022/09/03 12:00 | Linwei Sai v Bence Majoros | W | 4-1 |
Away History
| WTT Feeder Amman | 2023/02/02 16:00 | Shidong Lin v Guankai Niu | L | 3-0 |
| WTT Feeder Amman | 2023/02/02 09:30 | Anirban Ghosh v Guankai Niu | W | 1-3 |
| WTT Feeder Amman | 2023/02/01 09:00 | Guankai Niu v Yebo Liu | W | 3-1 |
| WTT Contender Almaty Quals | 2022/09/14 12:00 | Guankai Niu v Hiroto Shinozuka | L | 2-3 |
| WTT Contender Almaty Quals | 2022/09/14 04:00 | Haidong Xu v Guankai Niu | W | 2-3 |
| WTT Contender Muscat | 2022/09/07 14:00 | Alexis Lebrun v Guankai Niu | L | 3-1 |
| WTT Contender Muscat Quals | 2022/09/06 11:35 | Takuya Jin v Guankai Niu | W | 1-3 |
| WTT Feeder Panagyurishte Quals | 2022/08/31 14:25 | Guankai Niu v Yuki Matsuyama | L | 1-3 |