Stadium: Court 4 Round: 27 Ground: Clay
| ITF M25 Medellin | 2021/09/16 15:00 | Soares Klier, Gilbert v Gomez, Mateo | 6-3,6-3 |
| ITF M25 Medellin | 2021/09/14 18:05 | Soares Klier, Gilbert v Enrique Bogo | 6-1,6-2 |
| ITF M25 Poznan | 2021/08/25 10:00 | Harry Wendelken v Soares Klier, Gilbert | 3-6,6-4,6-2 |
| ITF M15 Lodz | 2021/08/21 08:00 | Soares Klier, Gilbert v Maciej Rajski | 4-6,6-7 |
| ITF M15 Lodz | 2021/08/20 10:15 | Daniel Michalski v Soares Klier, Gilbert | 6-4,3-6,3-6 |
| ITF M15 Lodz | 2021/08/19 10:00 | Tommaso Compagnucci v Soares Klier, Gilbert | 4-6,2-6 |
| ITF M15 Lodz | 2021/08/18 11:25 | Aristotelis Thanos v Soares Klier, Gilbert | 2-6,3-6 |
| ITF M15 Gdynia | 2021/08/12 09:25 | Soares Klier, Gilbert v Daniel De Jonge | 5-7,1-6 |
| ITF M25 Medellin | 2021/09/16 15:00 | Kohen, Alan v El Midhawy, Adam | 6-4,6-4 |
| ITF M25 Medellin | 2021/09/15 18:30 | Alejandro H Franco v Kohen, Alan | 6-0,2-6,4-6 |
| ITF M15 Ibague | 2021/09/09 14:30 | Alejandro H Franco v Kohen, Alan | 6-1,6-2 |
| ITF M15 Ibague | 2021/09/07 16:20 | Nicolas Nino Mendoza v Kohen, Alan | 2-6,0-6 |
| Weston, FL, Singles M-ITF-USA-05A | 2021/07/01 20:06 | Kohen, Alan v Cannon Kingsley | 3-6,1-6 |
| Weston, FL, Singles M-ITF-USA-05A | 2021/07/01 16:25 | Kohen, Alan v Cannon Kingsley | 3-6,1-6 |
| ITF M25 Weston | 2021/06/29 23:30 | Kohen, Alan v Cooper Williams | 2-6,6-4,10-6 |
| ITF M25 Weston | 2021/06/28 19:00 | Kohen, Alan v Joshua Sheehy | 6-2,6-3 |