Stadium: Court 3 Round: 25 Ground: Hardcourt indoor
| ITF M15 Monastir | 2021/09/24 08:00 | Omar Brigida v Guy Orly Iradukunda | 6-7,7-6,6-4 |
| ITF M15 Monastir | 2021/09/23 08:00 | Giorgio Ricca v Guy Orly Iradukunda | 5-7,7-5,6-7 |
| ITF M15 Monastir | 2021/09/22 10:45 | Riccardo Di Nocera v Guy Orly Iradukunda | 6-0,3-6,2-6 |
| ITF M15 Monastir | 2021/09/16 10:55 | Guy Orly Iradukunda v Abhinav Sanjeev Shanmugam | 4-6,4-6 |
| ITF M15 Monastir | 2021/09/15 14:00 | Guy Orly Iradukunda v Lorenzo Claverie | 6-1,7-5 |
| ITF M15 Monastir | 2021/09/09 10:25 | Marat Sharipov v Guy Orly Iradukunda | 6-4,7-6 |
| ITF M15 Monastir | 2021/09/08 14:00 | Guy Orly Iradukunda v Daniil Glinka | 6-4,6-4 |
| ITF M15 Monastir | 2021/09/01 09:30 | Takuto Niki v Guy Orly Iradukunda | 6-2,2-6,3-6 |
| ITF M15 Vero Beach | 2021/10/20 17:55 | Bruno Kuzuhara v Ben Shelton | 5-7,6-7 |
| ITF M15 Naples | 2021/10/12 15:00 | Bruno Kuzuhara v Juan Ignacio Galarza | 3-6,4-6 |
| ITF M15 Naples | 2021/10/05 14:30 | Bruno Kuzuhara v Liam Draxl | 3-6,4-6 |
| ITF M25 Champaign | 2021/07/27 17:00 | Bruno Kuzuhara v Joshua Peck | 5-7,5-7 |
| ITF M25 Champaign | 2021/07/26 15:00 | Alexander Brown v Bruno Kuzuhara | 4-6,6-2,6-10 |
| ITF M15 Edwardsville | 2021/07/22 14:25 | Bruno Kuzuhara v Blaise Bicknell | 7-6,6-7,1-6 |
| ITF M15 Edwardsville | 2021/07/21 16:00 | Dane Sweeny v Bruno Kuzuhara | 6-7,6-1,3-6 |
| ITF M15 Champaign | 2021/06/24 17:05 | Jason Kubler v Bruno Kuzuhara | 6-2,6-4 |