| Qatar Open - XD | 2017/06/21 05:45 | Kohei Sambe v Ning Gao | L | 1-4 |
| Qatar Open - XD | 2017/06/20 01:59 | Kohei Sambe v Tai-Wei Wang | W | 3-2 |
| Qatar Open - XD | 2017/04/28 18:45 | Kohei Sambe v Grigory Vlasov | L | 3-4 |
| Qatar Open - XD | 2017/04/28 16:25 | Stanislav Kucera v Kohei Sambe | L | 3-2 |
| Challenger Ochsenhausen | 2017/03/21 10:00 | Luan Bruno v Kohei Sambe | W | 0-3 |
| Challenger Ochsenhausen | 2017/03/21 08:00 | Valerij Rakov v Kohei Sambe | W | 0-3 |
| Challenger Ochsenhausen | 2017/03/20 19:40 | Vitor Ishiy v Kohei Sambe | L | 3-1 |
| Challenger Ochsenhausen | 2017/03/20 17:40 | Kohei Sambe v Yannick Vostes | L | 0-3 |
| Qatar Open - XD | 2018/07/18 02:55 | Mizuki Oikawa v Fei Xue | W | 4-2 |
| Czechy - Extraliga | 2018/07/18 00:00 | Yukiya Uda v Mizuki Oikawa | W | 1-3 |
| Czechy - Extraliga | 2018/07/17 05:10 | Chi-Chien Lai v Mizuki Oikawa | W | 0-3 |
| Qatar Open - XD | 2018/06/07 07:50 | Mizuki Oikawa v Minha Hwang | L | 3-4 |
| Qatar Open - XD | 2018/06/06 07:30 | Mizuki Oikawa v Mao-Cheng Chin | W | 4-0 |
| Qatar Open - XD | 2018/04/13 17:00 | Ricardo Walther v Mizuki Oikawa | L | 4-1 |
| Qatar Open - XD | 2018/04/13 09:30 | Mizuki Oikawa v Jiaji Wu | W | 4-1 |
| Qatar Open - XD | 2018/04/06 14:30 | Mizuki Oikawa v Lubomir Pistej | W | 4-2 |