Stadium: Court 2 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Antalya | 2021/05/12 06:45 | Orlando Luz v Keisuke Saitoh | 3-6,6-3,6-1 |
| ITF M15 Antalya | 2021/05/11 07:00 | Thomas Deschamps v Keisuke Saitoh | 2-6,5-7 |
| ITF M15 Antalya | 2021/05/10 07:00 | Keisuke Saitoh v Marco Miceli | 5-7,7-5,10-4 |
| ITF M15 Antalya | 2021/05/09 07:00 | Keisuke Saitoh v Arda Azkara | 6-1,6-2 |
| ITF M15 Antalya | 2021/05/02 06:00 | Gerald Melzer v Keisuke Saitoh | 6-4,6-2 |
| ITF M15 Antalya | 2021/04/25 07:00 | Keisuke Saitoh v Daniil Glinka | 0-6,2-6 |
| ITF M15 Antalya | 2021/04/19 07:00 | Emiliano Maggioli v Keisuke Saitoh | 6-4,6-3 |
| ITF M15 Antalya | 2021/04/18 07:00 | Taiyo Yamanaka v Keisuke Saitoh | 4-6,1-6 |
| ITF M15 New Delhi | 2021/03/28 09:30 | Sahil Gaware v Rishi Reddy | 1-6,0-6 |
| ITF M15 New Delhi | 2021/03/28 04:00 | Yash Yadav v Rishi Reddy | 6-7,1-6 |
| ITF M15 Pune | 2021/03/22 04:30 | Rishi Reddy v Ranjeet Virali-Murugesan | 5-7,6-2,4-10 |
| ITF M15 Pune | 2021/03/21 06:05 | Rishi Reddy v Boopathy Sakthivel | 6-3,6-0 |
| ITF M15 Lucknow | 2021/03/01 05:25 | Rishi Reddy v Dmitrii Baskov | 7-5,6-7,7-10 |
| ITF M15 Lucknow | 2021/02/28 10:10 | Rishi Reddy v Ashutosh Tiwari | 6-2,6-2 |
| ITF M15 Sharm El Sheikh | 2021/02/21 09:30 | Rimpei Kawakami v Rishi Reddy | 6-3,5-7,10-5 |
| ITF M15 Sharm El Sheikh | 2021/02/14 16:00 | Luca Potenza v Rishi Reddy | 7-6,4-6,10-6 |