Stadium: Court 4 Round: 54 Ground: Clay
| ITF M15 Santo Domingo | 2021/12/09 13:30 | Colin Markes v Alexis Musialek | 1-6,4-6 |
| ITF M15 Santo Domingo | 2021/12/08 13:30 | Johannes Ingildsen v Colin Markes | 7-6,6-7,6-7 |
| ITF M15 Santo Domingo | 2021/12/02 16:15 | Peter Bertran v Colin Markes | 6-3,6-7,6-4 |
| ITF M15 Santo Domingo | 2021/12/01 16:50 | Yasha Zemel v Colin Markes | 3-6,4-6 |
| ITF M25 Santo Domingo | 2021/11/30 13:00 | Colin Markes v Jesus M Rosario | 6-1,6-2 |
| ITF M25 Santo Domingo | 2021/11/29 15:00 | Colin Markes v Rafael Abdul Salam | 6-2,6-4 |
| ITF M25 Austin | 2021/11/20 18:45 | Eduardo Nava v Colin Markes | 7-6,6-1 |
| ITF M25 Austin | 2021/11/19 16:55 | Colin Markes v Kareem Allaf | 6-2,4-6,7-6 |
| ITF M15 Guatemala | 2021/11/25 19:00 | Andres Urrea v Alejandro H Franco | 1-6,2-6 |
| ITF M15 Guatemala | 2021/11/23 17:55 | Andres Urrea v Tommaso Carnevale-Miino | 6-7,6-4,7-6 |
| ITF M15 Cancun | 2021/10/20 19:00 | Victor Lilov v Andres Urrea | 7-5,6-2 |
| ITF M15 Cancun | 2021/10/18 15:00 | Agustin E C Lorberg v Andres Urrea | 3-6,6-1,7-10 |
| ITF M15 Cancun | 2021/10/17 18:00 | Ronaldo Alexandre v Andres Urrea | 2-6,2-6 |
| ITF M15 Cancun | 2021/10/04 14:00 | Andres Urrea v Adam Jones | 0-6,6-7 |
| ITF M15 Cancun | 2021/10/03 14:00 | Felipe Santamaria v Andres Urrea | 3-6,4-6 |
| ITF M15 Cancun | 2021/09/28 14:00 | Luis Britto v Andres Urrea | 6-2,6-1 |