Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Meitar | 2021/11/02 14:30 | Yshai Oliel v Ren Nakamura | 6-4,6-2 |
| ATP St Petersburg | 2021/10/26 13:20 | John Millman v Yshai Oliel | 6-1,6-1 |
| Challenger Barcelona | 2021/10/05 10:30 | Nikola Milojevic v Yshai Oliel | 7-5,0-6,6-4 |
| Challenger Barcelona | 2021/10/04 13:00 | Oleksii Krutykh v Yshai Oliel | 1-6,2-6 |
| Challenger Barcelona | 2021/10/03 11:05 | Vladyslav Manafov v Yshai Oliel | 2-6,3-6 |
| Challenger Sibiu | 2021/09/30 07:30 | Marc-Andrea Huesler v Yshai Oliel | 6-4,6-1 |
| Challenger Sibiu | 2021/09/28 07:00 | Jay Clarke v Yshai Oliel | 6-7,4-6 |
| Challenger Sibiu | 2021/09/27 07:00 | Yshai Oliel v Elmar Ejupovic | 6-3,7-5 |
| ITF M25 Meitar | 2021/11/01 11:30 | Naoki Nakagawa v Roi Ginat | 6-4,6-2 |
| ITF M25 Portimao | 2021/10/27 14:20 | Naoki Nakagawa v Anton Matusevich | 2-6,2-6 |
| ITF M25 Quinta Do Lago | 2021/10/24 10:00 | Naoki Nakagawa v Arthur Cazaux | 3-6,4-6 |
| ITF M25 Quinta Do Lago | 2021/10/23 11:05 | Naoki Nakagawa v Kaichi Uchida | 6-3,6-2 |
| ITF M25 Quinta Do Lago | 2021/10/22 09:25 | Roberto Ortega-Olmedo v Naoki Nakagawa | 7-6,3-6,6-7 |
| ITF M25 Quinta Do Lago | 2021/10/21 09:00 | Stuart Parker v Naoki Nakagawa | 1-6,6-7 |
| ITF M25 Quinta Do Lago | 2021/10/19 12:50 | Naoki Nakagawa v Petros Chrysochos | 7-6,6-1 |
| ITF M25 Decatur | 2021/08/02 15:00 | Naoki Nakagawa v Eliot Spizzirri | 6-7,1-6 |