Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF - M15 - Monastir | 2021/08/25 07:30 | Kazuki Nishiwaki v Kyle Seelig | 1-6,5-7 |
| ITF - M15 - Monastir | 2021/08/21 08:00 | Kyle Seelig v Luciano Darderi | 6-7,7-6,6-7 |
| ITF - M15 - Monastir | 2021/08/20 10:55 | Hady Habib v Kyle Seelig | 4-6,6-2,0-6 |
| ITF - M15 - Monastir | 2021/08/19 07:30 | Kyle Seelig v Mateo Nicolas Martinez | 2-6,7-5,6-1 |
| ITF - M15 - Monastir | 2021/08/18 07:30 | Yuta Kawahashi v Kyle Seelig | 6-1,4-6,6-7 |
| ITF - M15 - Monastir | 2021/08/17 07:30 | Kyle Seelig v Daniel Batista | 6-3,6-2 |
| ITF - M15 - Monastir | 2021/08/16 08:30 | Kyle Seelig v Bharath Nishok Kumaran | 6-1,6-3 |
| ITF - M15 - Monastir | 2021/08/15 09:30 | Kyle Seelig v Fabrizio Andaloro | 6-4,6-0 |
| 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 - Decatur | 2021/08/04 21:50 | Aleksandar Kovacevic v Jumpei Yamasaki | 4-6,6-3,3-6 |
| ITF M25 - Decatur | 2021/08/03 17:10 | Jumpei Yamasaki v Stefan Dostanic | 6-4,6-4 |
| ITF M25 - Decatur | 2021/08/02 15:00 | Jumpei Yamasaki v Carson Haskins | 6-1,6-2 |
| ITF M25 - Champaign | 2021/07/29 17:00 | Gijs Brouwer v Jumpei Yamasaki | 6-3,6-0 |