Stadium: Court 6 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Champaign | 2021/09/15 15:00 | Emile Hudd v Tristan McCormick | 6-3,6-4 |
| ITF M25 Champaign | 2021/09/14 17:00 | Tristan McCormick v Murphy Cassone | 7-5,7-6 |
| ITF M25 Guayaquil | 2021/08/01 16:30 | Brandon Perez v Tristan McCormick | 4-6,6-3,10-6 |
| ITF M25 Portoviejo | 2021/07/30 16:15 | Tristan McCormick v Pol Martin Tiffon | 4-6,6-7 |
| ITF M25 Portoviejo | 2021/07/29 17:00 | Tristan McCormick v Maxime Mora | 7-5,7-6 |
| ITF M25 Portoviejo | 2021/07/28 16:00 | Igor Marcondes v Tristan McCormick | 5-7,6-7 |
| ITF M25 Portoviejo | 2021/07/26 19:10 | Tristan McCormick v Joao Goncalves | 6-4,6-4 |
| ITF M25 Portoviejo | 2021/07/26 14:30 | Sergio Luis H Ramirez v Tristan McCormick | 6-7,7-6,4-10 |
| ITF M15 Sozopol | 2021/09/14 10:00 | Valentin Vacherot v Constantin Bittoun Kouzmine | 6-3,5-7,6-4 |
| ITF M15 Zilina | 2021/09/02 10:55 | Constantin Bittoun Kouzmine v Fabian Marozsan | 6-7,4-6 |
| ITF M15 Zilina | 2021/09/01 09:55 | Kristof Minarik v Constantin Bittoun Kouzmine | 4-6,2-6 |
| ITF M25 Ueberlingen | 2021/08/18 14:10 | Milan Welte v Constantin Bittoun Kouzmine | 6-4,6-0 |
| ITF M15 Cairo | 2021/08/05 09:20 | Lukas Krainer v Constantin Bittoun Kouzmine | 6-1,6-2 |
| ITF M15 Cairo | 2021/08/04 07:30 | Gabriele Maria Noce v Constantin Bittoun Kouzmine | 0-6,6-3,4-6 |
| ITF M15 Cairo | 2021/08/03 07:30 | Constantin Bittoun Kouzmine v Thiago Cigarran | 6-1,4-6,10-8 |
| ITF M15 Cairo | 2021/08/02 08:30 | Constantin Bittoun Kouzmine v Tobias Franco | 6-2,6-0 |