Stadium: Court 8 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/08/09 07:30 | Masamichi Imamura v Lorenzo Gagliardo | 6-3,6-2 |
| ITF M15 Monastir | 2021/08/08 07:30 | Nicolo Turchetti v Masamichi Imamura | 2-6,6-4,10-12 |
| ITF M15 Monastir | 2021/06/14 08:00 | Emil Reinberg v Masamichi Imamura | 6-4,0-6,11-9 |
| ITF M15 Monastir | 2021/06/13 10:00 | Masamichi Imamura v Julian Cash | 6-4,6-4 |
| ITF M15 Monastir | 2021/06/07 08:00 | Kody Pearson v Masamichi Imamura | 6-2,5-7,10-6 |
| ITF M15 Monastir | 2021/06/06 10:00 | James Edley v Masamichi Imamura | 0-6,0-6 |
| ITF M15 Monastir | 2021/05/31 12:30 | Uisung Park v Masamichi Imamura | 7-6,6-2 |
| ITF M15 Monastir | 2021/05/31 08:00 | Antoine Vincent v Masamichi Imamura | 4-6,6-7 |
| ITF M15 Monastir | 2021/08/09 07:30 | Babji Siva Atturu v Keisuke Saitoh | 1-6,0-6 |
| ITF M15 Cairo | 2021/08/05 08:00 | Juan Bautista Torres v Keisuke Saitoh | 6-0,6-1 |
| ITF M15 Cairo | 2021/08/04 13:30 | Keisuke Saitoh v Marlon Vankan | 6-4,7-5 |
| ITF M15 Cairo | 2021/08/03 07:30 | Keisuke Saitoh v Alessandro Ragazzi | 6-4,1-6,11-9 |
| ITF M15 Cairo | 2021/07/29 08:00 | Juan Bautista Torres v Keisuke Saitoh | 6-1,6-1 |
| ITF M15 Cairo | 2021/07/28 10:00 | Stefano Battaglino v Keisuke Saitoh | 3-6,4-6 |
| ITF M15 Cairo | 2021/07/27 08:00 | Keisuke Saitoh v Lautaro Agustin Falabella | 6-2,7-6 |
| ITF M15 Cairo | 2021/07/26 09:00 | Keisuke Saitoh v Marco De Rosa | 7-6,6-0 |