| WTT Contender - Almaty - Kval | 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 - Kval | 2022/09/06 11:35 | Takuya Jin v Guankai Niu | W | 1-3 |
| WTT Feeder - Panagyurishte - Kval | 2022/08/31 14:25 | Guankai Niu v Yuki Matsuyama | L | 1-3 |
| WTT Feeder - Panagyurishte - Kval | 2022/08/30 12:10 | Giorgos Konstantinopoulos v Guankai Niu | W | 0-3 |
| WTT Feeder Olomouc Quals | 2022/08/23 18:10 | Esteban Dorr v Guankai Niu | L | 3-1 |
| Oman Open - U21 - Damer | 2019/11/02 07:10 | Linwei Sai v Guankai Niu | L | 3-0 |
| Oman Open - U21 - Damer | 2019/11/01 06:30 | Guankai Niu v Amir Hossein Hodaei | W | 3-0 |
| WTT Contender - Almaty - Kval | 2022/09/14 06:00 | Sagantay Kurmambayev v Hiroto Shinozuka | W | 0-3 |
| WTT Feeder - Budapest | 2022/07/22 09:20 | Hiroto Shinozuka v Shidong Lin | L | 2-3 |
| WTT Feeder - Budapest | 2022/07/21 15:20 | Yingbin Xu v Hiroto Shinozuka | W | 1-4 |
| WTT Feeder - Budapest | 2022/07/20 11:10 | Hiroto Shinozuka v Chien-An Chen | W | 3-2 |
| WTT Feeder - Budapest | 2022/07/19 16:30 | Hiroto Shinozuka v David Serdaroglu | W | 4-1 |
| WTT Star Contender Budapest Quals | 2022/07/12 10:00 | Hiroto Shinozuka v Daeseong Cho | L | 1-3 |
| WTT Feeder Ototec | 2022/06/23 15:30 | Hiroto Shinozuka v Nima Alamian | L | 1-4 |
| WTT Contender - Zagreb | 2022/06/16 17:40 | Yuanyu Chen v Hiroto Shinozuka | L | 3-2 |