Stadium: Court 21 Round: 62 Ground: Clay
| 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 Antalya | 2021/04/11 07:00 | Daiki Yoshimura v Keisuke Saitoh | 6-2,6-3 |
| ITF M15 Sharm El Sheikh | 2021/02/28 17:00 | Alessandro Pecci v Keisuke Saitoh | 6-4,7-6 |
| ITF M15 Sharm El Sheikh | 2021/02/21 07:00 | Samuel Vincent Ruggeri v Keisuke Saitoh | 6-0,6-1 |
| ITF M15 Sharm El Sheikh | 2021/02/18 07:30 | Keisuke Saitoh v Yu Hsiou Hsu | 1-6,1-6 |
| ITF M15 Antalya | 2021/03/17 09:40 | Arda Azkara v Benedikt Henning | 3-6,0-6 |
| ITF M15 Antalya | 2021/03/03 07:00 | Yunseong Chung v Arda Azkara | 6-0,5-7,6-2 |
| ITF M15 Antalya | 2021/02/04 06:25 | Pietro Rondoni v Arda Azkara | 6-1,6-4 |
| ITF M15 Antalya | 2021/01/28 08:00 | Facundo Juarez v Arda Azkara | 6-2,6-4 |
| ITF M15 Antalya | 2021/01/10 06:00 | Arda Azkara v Constantinos Koshis | 6-7,6-0,8-10 |
| ITF M15 Antalya | 2021/01/04 07:00 | Credit Chaiyarin v Arda Azkara | 6-4,4-6,10-5 |
| ITF M15 Antalya | 2019/10/22 07:00 | Mike Urbanija v Arda Azkara | 6-1,6-1 |
| ITF Turkey F35 | 2018/11/03 09:00 | Cengiz Aksu v Arda Azkara | 6-2,6-0 |