Stadium: Court 13 Round: 25 Ground: Hardcourt outdoor
| ITF - M25 Santo Domingo | 2021/06/03 16:50 | Shintaro Imai v Christian Langmo | 7-6,5-7,5-7 |
| ITF - M25 Sierre | 2021/08/31 12:20 | Christian Langmo v Valentin Vacherot | 6-7,4-6 |
| ITF - M25 Lesa | 2021/08/27 12:55 | Matias Franco Descotte v Christian Langmo | 6-3,6-4 |
| ITF - M25 Lesa | 2021/08/26 12:15 | Christian Langmo v Facundo Arias Bisso | 6-2,6-2 |
| ITF - M25 Lesa | 2021/08/25 13:45 | Simone Camposeo v Christian Langmo | 3-6,0-6 |
| ITF - M25 Decatur | 2021/08/03 15:00 | Christian Langmo v Rinky Hijikata | 6-4,3-6,4-10 |
| ITF - M25 Decatur | 2021/08/02 15:00 | Christian Langmo v Nicaise Muamba | 6-3,6-1 |
| ITF - M25 Champaign | 2021/07/29 16:55 | Ben Shelton v Christian Langmo | 6-4,6-4 |
| ITF - M25 Champaign | 2021/07/28 16:45 | Christian Langmo v Karlis Ozolins | 7-6,6-1 |
| ITF - M15 Monastir | 2021/08/19 07:30 | Shintaro Imai v Hady Habib | 5-7,4-6 |
| ITF - M15 Monastir | 2021/08/18 07:30 | Shintaro Imai v Omni Kumar | 6-4,7-5 |
| ITF - M15 Monastir | 2021/08/11 19:55 | Luciano Darderi v Shintaro Imai | 6-2,4-6,6-3 |
| ITF - M25 Decatur | 2021/08/05 14:50 | Karlis Ozolins v Shintaro Imai | 7-6,3-6,7-6 |
| ITF - M25 Decatur | 2021/08/04 13:50 | Shintaro Imai v Felix Corwin | 6-1,6-2 |
| ITF - M25 Champaign | 2021/07/28 18:40 | Dane Sweeny v Shintaro Imai | 6-1,3-6,6-3 |
| ITF - M25 Santo Domingo | 2021/06/09 12:55 | Shintaro Imai v Igor Marcondes | 6-7,4-6 |
| ITF - M25 Santo Domingo | 2021/06/03 16:50 | Shintaro Imai v Christian Langmo | 7-6,5-7,5-7 |