Stadium: Court 6 Round: 54 Ground: Hardcourt indoor
| ITF - M15 Monastir | 2021/05/11 11:30 | Shunsuke Mitsui v Jeremy Beale | 6-7,6-4,2-6 |
| ITF - M15 Monastir | 2021/05/02 08:00 | Shunsuke Mitsui v Yuta Kikuchi | 1-6,2-6 |
| ITF - M15 Monastir | 2021/04/26 09:00 | Zachary Svajda v Shunsuke Mitsui | 6-1,7-6 |
| ITF - M15 Antalya | 2021/04/23 09:05 | Francesco Forti v Shunsuke Mitsui | 4-6,6-3,6-3 |
| ITF - M15 Antalya | 2021/04/22 10:15 | Shunsuke Mitsui v Bogdan Bobrov | 1-6,7-6,6-0 |
| ITF - M15 Antalya | 2021/04/20 10:35 | Emir Sendogan v Shunsuke Mitsui | 2-6,6-3,4-6 |
| ITF - M15 East Lansing | 2021/11/15 18:00 | Adit Sinha v Matthew Foster-Estwick | 6-1,6-1 |
| ITF M15 Ithaca | 2021/11/04 18:30 | Adit Sinha v Cannon Kingsley | 1-6,3-6 |
| ITF M15 Ithaca | 2021/11/03 16:00 | Adit Sinha v Joshua Peck | 6-3,3-6,7-6 |
| ITF M15 Ithaca | 2021/10/06 15:25 | Radu Mihai Papoe v Adit Sinha | 6-2,6-1 |
| ITF M15 Ithaca | 2021/10/05 13:00 | Charl Morgan v Adit Sinha | 3-6,4-6 |
| ITF M15 Ithaca | 2021/10/04 16:00 | Adit Sinha v Anshumat Srivastava | 6-0,6-0 |
| UTR Pro Tennis Series - Atlanta | 2021/04/11 14:30 | Adit Sinha v Luis G Monio | 5-4 |
| UTR Pro Tennis Series - Atlanta | 2021/04/10 14:00 | Connor Krug v Adit Sinha | 5-7,1-5 |