Stadium: Court 3 Round: 54 Ground: Hardcourt outdoor
| ITF M15 Austin | 2019/11/20 19:20 | Colin Markes v Tyler Zink | 6-7,6-7 |
| ITF M15 Austin | 2019/11/19 16:00 | Colin Markes v Eric Morris | 6-3,6-3 |
| ITF M15 Austin | 2019/11/18 16:00 | Colin Markes v Eduardo N Irizarry | 6-4,6-1 |
| 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 Doha | 2019/10/24 13:55 | Adam Moundir v Francis Casey Alcantara | 6-2,6-0 |
| ITF M15 Doha | 2019/10/23 15:00 | Francis Casey Alcantara v Seif Adas | 6-4,6-2 |
| ITF M15 Doha | 2019/10/22 12:00 | Michael Zhu v Francis Casey Alcantara | 4-6,5-7 |
| ITF M15 Doha | 2019/10/21 11:55 | Igor Dudun v Francis Casey Alcantara | 0-6,1-6 |
| ITF M15 Doha | 2019/10/15 12:00 | Muzammil Murtaza v Francis Casey Alcantara | 6-4,3-6,10-5 |
| ITF M15 Doha | 2019/10/14 06:25 | Sebastian Pjontek v Francis Casey Alcantara | 2-6,1-6 |
| ITF M25 Darwin | 2019/09/25 00:30 | Francis Casey Alcantara v Matthew Romios | 1-6,6-3,3-6 |
| ITF M25 Darwin | 2019/09/24 00:30 | Alexander Klintcharov v Francis Casey Alcantara | 2-6,4-6 |