Estádio: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF - M15 Sharm El Sheikh | 2021/02/02 10:50 | Daisuke Sumizawa v Nitin Kumar Sinha | 6-3,6-3 |
| ITF - M15 Sharm El Sheikh | 2021/02/04 08:00 | Arnaud Bovy v Daisuke Sumizawa | 6-4,6-3 |
| ITF - M15 Sharm El Sheikh | 2021/02/03 14:15 | Daisuke Sumizawa v Jan Satral | 6-7,6-3,6-3 |
| ITF - M15 Sharm El Sheikh | 2021/02/02 10:50 | Daisuke Sumizawa v Nitin Kumar Sinha | 6-3,6-3 |
| ITF - M15 Sharm El Sheikh | 2021/02/01 12:30 | Jumpei Yamasaki v Daisuke Sumizawa | 6-4,1-6,8-10 |
| ITF - M15 Sharm El Sheikh | 2021/01/31 09:00 | Daisuke Sumizawa v Piotr Matuszewski | 4-6,6-1,10-8 |
| ITF - M15 Cairo | 2021/01/26 09:30 | Gonzalo Lama v Daisuke Sumizawa | 6-3,6-1 |
| ITF - M15 Cairo | 2021/01/25 08:00 | Mikel Aranzabal v Daisuke Sumizawa | 3-6,4-6 |
| ITF - M15 Cairo | 2021/01/24 07:30 | Omar Magdy Ezzeldin v Daisuke Sumizawa | 0-6,0-6 |
| ITF - M15 Sharm El Sheikh | 2021/02/02 10:50 | Daisuke Sumizawa v Nitin Kumar Sinha | 6-3,6-3 |
| ITF - M15 Sharm El Sheikh | 2021/02/01 08:00 | Nitin Kumar Sinha v Bastien Presuhn | 6-1,7-5 |
| ITF - M15 Sharm El Sheikh | 2021/01/31 09:00 | Anirudh Chandrasekar v Nitin Kumar Sinha | 3-6,4-6 |
| ITF - M15 Calcutá | 2020/03/12 04:00 | Niklas Schell v Nitin Kumar Sinha | 6-3,3-6,0-6 |
| ITF - M25 Nonthaburi | 2020/02/03 04:55 | Nitin Kumar Sinha v Austin Rapp | 1-6,6-3,8-10 |
| ITF - M25 Nonthaburi | 2020/02/02 09:45 | Nitin Kumar Sinha v Shisanuphong Pokinsagethasiri | 6-3,2-6,13-11 |
| ITF - M15 Antália | 2020/01/29 06:00 | Nitin Kumar Sinha v Tristan Meraut | 2-6,6-7 |
| ITF - M15 Antália | 2020/01/27 07:00 | Nitin Kumar Sinha v Emir Sendogan | 6-2,6-3 |