Estádio: Court 1 Round: 27 Ground: Hardcourt indoor
| ITF - M25 East Lansing | 2022/06/09 17:55 | Roy Smith v Shunsuke Mitsui | 4-6,4-6 |
| ITF - M25 East Lansing | 2022/06/08 13:00 | Shunsuke Mitsui v Perry Gregg | 6-7,6-3,6-1 |
| Flórida - UTR Pro Tennis Series | 2021/12/18 14:30 | Brandon Holt v Shunsuke Mitsui | 3-6,6-4,6-3 |
| Flórida - UTR Pro Tennis Series | 2021/12/17 19:00 | Matthew Segura v Shunsuke Mitsui | 3-6,2-6 |
| Flórida - UTR Pro Tennis Series | 2021/12/16 14:00 | Alejandro Moreno v Shunsuke Mitsui | 2-3 |
| Flórida - UTR Pro Tennis Series | 2021/12/14 19:00 | Steven Forman v Shunsuke Mitsui | 6-3,2-6,3-5 |
| Flórida - UTR Pro Tennis Series | 2021/12/13 17:00 | Shunsuke Mitsui v John Mercer | 6-1,6-0 |
| ITF - M15 East Lansing | 2021/11/18 18:00 | Raymond Sarmiento v Shunsuke Mitsui | 4-6,6-2,7-6 |
| ITF - M25 East Lansing | 2022/06/09 15:00 | Noah Schachter v Naoki Nakagawa | 6-3,4-6,3-6 |
| ITF - M25 East Lansing | 2022/06/07 18:30 | Colin Markes v Naoki Nakagawa | 3-6,2-6 |
| Challenger - Coquimbo | 2022/05/10 15:40 | Genaro Alberto Olivieri v Naoki Nakagawa | 6-2,6-3 |
| Challenger - Coquimbo | 2022/05/09 16:20 | Naoki Nakagawa v Juan Ignacio Galarza | 7-6,6-3 |
| Challenger - Coquimbo | 2022/05/08 19:55 | Naoki Nakagawa v Sebastian Santibanez | 6-0,6-3 |
| Challenger - Morelos | 2022/04/27 15:00 | Naoki Nakagawa v Steven Diez | 2-6,1-6 |
| Challenger - Morelos | 2022/04/25 17:30 | Michail Pervolarakis v Naoki Nakagawa | 3-6,6-0,2-6 |
| Challenger - Morelos | 2022/04/24 19:35 | Naoki Nakagawa v Sho Shimabukuro | 6-4,7-5 |