Stadium: Court 1 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Fort Worth | 2019/10/21 15:00 | Colin Markes v Alfredo Perez | 4-6,0-6 |
| ITF M25 Fort Worth | 2019/10/20 15:00 | Kyle Overmyer v Colin Markes | 1-6,0-6 |
| ITF M25 Norman | 2019/09/30 15:00 | Alexander Cozbinov v Colin Markes | 7-5,7-5 |
| ITF M25 Norman | 2019/09/29 15:00 | Colin Markes v Hunter Heck | 7-6,6-4 |
| ITF M25 Chiswick | 2019/08/05 10:55 | Brandon Murphy v Colin Markes | 6-4,6-2 |
| ITF M15 Brussels | 2019/07/30 08:00 | Alexis Boureau v Colin Markes | 6-1,6-2 |
| ITF M15 Brussels | 2019/07/29 09:20 | David Tixhon v Colin Markes | 3-6,6-3,5-10 |
| ITF M25 Troyes | 2019/07/22 07:00 | Colin Markes v Mayeul Darras | 3-6,7-6,3-10 |
| ITF M25 Houston | 2019/09/16 14:00 | Eduardo N Irizarry v Lukas Greif | 3-6,2-6 |
| ITF M25 Houston | 2019/09/15 14:00 | Kyle Overmyer v Eduardo N Irizarry | 3-6,3-6 |
| ITF Dominican Republic F2 | 2018/12/01 15:30 | A.J Catanzariti v Eduardo N Irizarry | 6-7,6-3,6-1 |
| ITF Dominican Republic F1 | 2018/11/24 14:30 | Eduardo N Irizarry v Jabari Stafford | 2-6,4-6 |
| ITF Puerto Rico F1 | 2016/12/20 16:10 | Eduardo N Irizarry v Ilija Vucic | 3-6,2-6 |
| ITF Dominican Rep F3 | 2016/12/12 13:00 | Shane Vinsant v Eduardo N Irizarry | 6-0,6-2 |
| ITF Dominican Rep F3 | 2016/12/10 17:30 | Rowland Phillips v Eduardo N Irizarry | 6-7,1-6 |
| ITF Dominican Republic F2 | 2016/12/03 18:30 | Eduardo N Irizarry v Adriano Quinti | 6-2,4-6,5-7 |