Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| 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 Cancun | 2021/12/16 17:00 | Ezekiel Clark v Makoto Ochi | 2-6,7-5,6-1 |
| ITF M15 Cancun | 2021/12/15 17:20 | Wulfrano M M Esdras v Makoto Ochi | 0-6,1-6 |
| ITF M15 Cancun | 2021/12/07 16:00 | Alexander Bernard v Makoto Ochi | 7-6,5-7,6-2 |
| ITF M15 Cancun | 2021/12/02 16:00 | Makoto Ochi v Perry Gregg | 3-6,4-6 |
| ITF M15 Cancun | 2021/11/27 21:00 | Makoto Ochi v Giles Hussey | 6-7,7-6,1-6 |
| ITF M15 Cancun | 2021/11/27 14:00 | Makoto Ochi v Alan F R Fierros | 6-3,6-1 |
| ITF M15 Cancun | 2021/11/25 16:55 | Makoto Ochi v Masamichi Imamura | 7-5,6-2 |
| ITF M15 Cancun | 2021/11/23 16:00 | Makoto Ochi v Lorenzo Joaquin Rodriguez | 6-2,6-1 |