Results
| Challenger Indian Wells Qual | 01/21 22:05 | 14 | Thomas Fancutt v Colin Markes | 6-4,6-1 | |
| Challenger Indian Wells Qual | 01/21 21:30 | - | [294] Thomas Fancutt v Colin Markes [409] | 6-4,6-1 | |
| ITF M15 Madrid | 12/05 10:00 | 25 | Colin Markes v Alejandro M Kretzer | 6-1,1-6,5-7 | |
| ITF M15 Madrid | 11/30 10:45 | 26 | [406] Colin Markes v John Echeverria [403] | 7-5,4-6,6-7 | |
| ITF M15 Madrid | 11/29 11:40 | 25 | A.J Catanzariti v Colin Markes | 6-7,7-5,4-6 | |
| Challenger Drummondville | 11/14 19:15 | 25 |
[414] Colin Markes v
Michael Vrbensky
[336] 
|
4-6,6-3,3-6 | |
| Challenger Drummondville | 11/13 16:40 | 19 | Nicaise Muamba v Colin Markes | 2-6,4-6 | |
| Challenger Drummondville | 11/12 19:00 | 14 | Kuang Qing Xu v Colin Markes | 4-6,3-6 | |
| ITF M25 Austin | 11/10 16:00 | 27 |
Colin Markes v
Koeln Rhein Stars
|
1-6,2-6 | |
| ITF M25 Austin | 11/09 14:55 | 26 | [309] Mark Whitehouse v Colin Markes [420] | 6-1,5-7,6-10 | |
| ITF M25 Austin | 11/08 21:20 | 25 | Tiago Torres v Colin Markes | 6-2,3-6,0-6 | |
| ITF M25 Edmonton | 11/02 17:20 | 26 |
Colin Markes v
Justin Boulais
|
1-6,6-7 |
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