| Giraldilla - Internacional - Dobles Mixtos | 2018/12/22 20:00 | Koki Watanabe v Kodai Naraoka | W | 2-1 |
| Giraldilla - Internacional - Dobles Mixtos | 2018/04/06 03:00 | Koki Watanabe v Kodai Naraoka | L | 1-2 |
| Open de Australia | 2022/11/17 03:00 | Koki Watanabe v Kenta Nishimoto | W | 2-0 |
| Open de Australia | 2022/11/16 02:40 | Koki Watanabe v Sitthikom Thammasin | W | 2-0 |
| Masters de Indonesia | 2022/10/20 09:00 | Jun Hao Leong v Koki Watanabe | L | 2-1 |
| Masters de Indonesia | 2022/10/19 10:00 | Donghun Kim v Koki Watanabe | W | 0-2 |
| Taipéi Open | 2022/07/21 07:20 | Koki Watanabe v Joo Ven Soong | L | 0-2 |
| Taipéi Open | 2022/07/20 01:50 | Koki Watanabe v Yu Hsien Lin | W | 2-0 |
| Open de Singapur | 2022/07/14 05:20 | Shifeng Li v Koki Watanabe | L | 2-0 |
| Open de Singapur | 2022/07/13 08:25 | Hans-Kristian Vittinghus v Koki Watanabe | W | 1-2 |
| Open de Australia | 2022/11/17 04:00 | Kodai Naraoka v Christian Adinata | W | 2-0 |
| Open de Australia | 2022/11/16 02:20 | Kodai Naraoka v Shesar Hiren Rhustavito | W | 2-0 |
| Hylo Open | 2022/11/03 12:00 | Kodai Naraoka v Anthony Sinisuka Ginting | L | 0-2 |
| Hylo Open | 2022/11/02 08:00 | Christo Popov v Kodai Naraoka | W | 1-2 |
| Open de Francia | 2022/10/29 14:00 | Viktor Axelsen v Kodai Naraoka | L | 2-0 |
| Open de Francia | 2022/10/27 12:00 | Shesar Hiren Rhustavito v Kodai Naraoka | W | 1-2 |
| Open de Francia | 2022/10/25 08:00 | Brian Yang v Kodai Naraoka | W | 0-2 |
| Open de Dinamarca | 2022/10/22 11:00 | Yuqi Shi v Kodai Naraoka | L | 2-1 |