Stadium: Court 4 Round: 28 Ground: Hardcourt outdoor
| ITF M25 Monastir | 2022/01/12 08:00 | Jumpei Yamasaki v Dan Added | 4-6,4-6 |
| ITF M25 Setubal | 2021/10/06 10:00 | Jumpei Yamasaki v Sebastian Fanselow | 6-4,4-6,4-6 |
| ITF M25 Skopje | 2021/09/29 11:50 | Aldin Setkic v Jumpei Yamasaki | 7-5,6-4 |
| ITF M15 Monastir | 2021/08/26 07:30 | Kyle Seelig v Jumpei Yamasaki | 6-0,7-5 |
| ITF M15 Monastir | 2021/08/25 07:30 | Keisuke Saitoh v Jumpei Yamasaki | 1-6,1-6 |
| ITF M15 Monastir | 2021/08/18 07:30 | Mateo Nicolas Martinez v Jumpei Yamasaki | 5-7,6-1,7-5 |
| ITF M15 Monastir | 2021/08/11 18:25 | Sho Shimabukuro v Jumpei Yamasaki | 6-3,6-2 |
| ITF M25 Decatur | 2021/08/05 17:55 | Jumpei Yamasaki v Yunseong Chung | 2-6,2-6 |
| ITF M25 Pretoria | 2021/10/02 11:30 | Khololwam Montsi v Rio Noguchi | 5-7,2-6 |
| ITF M25 Pretoria | 2021/10/01 13:35 | Sebastian Prechtel v Khololwam Montsi | 2-6,3-6 |
| ITF M25 Pretoria | 2021/09/29 10:45 | Khololwam Montsi v Peter Goldsteiner | 6-4,6-3 |
| ITF M25 Johannesburg | 2021/09/24 07:55 | Alastair Gray v Khololwam Montsi | 6-2,6-4 |
| ITF M25 Johannesburg | 2021/09/23 08:00 | Khololwam Montsi v Markos Kalovelonis | 6-1,6-3 |
| ITF M25 Johannesburg | 2021/09/21 10:25 | Francesco Vilardo v Khololwam Montsi | 4-6,5-7 |
| ITF M25 Johannesburg | 2021/09/14 11:30 | Joshua Howard-Tripp v Khololwam Montsi | 4-6,2-6 |
| ITF M15 Monastir | 2021/08/05 08:50 | Mattia Bellucci v Khololwam Montsi | 6-2,6-2 |