Stadium: Court 6 Round: 54 Ground: Clay
| ITF M25 Weston | 2020/01/28 14:00 | Daniel Dutra Da Silva v Colin Sinclair | 6-4,6-1 |
| ITF M25 Weston | 2020/01/27 15:30 | Maxwell Giddens v Colin Sinclair | 2-6,3-6 |
| ITF M25 Weston | 2020/01/26 15:30 | Yang Liu v Colin Sinclair | 6-7,2-6 |
| Challenger Bendigo | 2020/01/12 23:00 | Colin Sinclair v Yoshihito Nishioka | 2-6,4-6 |
| Challenger Noumea | 2020/01/07 02:05 | Harold Mayot v Colin Sinclair | 4-6,6-3,6-2 |
| ITF M15 Cancun | 2019/11/21 15:15 | Connor Farren v Colin Sinclair | 6-2,6-4 |
| ITF M15 Cancun | 2019/11/20 18:40 | Colin Sinclair v Joao Lucas Reis da Silva | 7-5,6-7,6-4 |
| Challenger Houston | 2019/11/12 18:10 | Brandon Holt v Colin Sinclair | 6-1,7-5 |
| ITF M15 Santo Domingo | 2019/12/13 14:00 | Nick Hardt v A.J Catanzariti | 6-2,6-4 |
| ITF M15 Santo Domingo | 2019/12/12 14:40 | A.J Catanzariti v Jose Olivares | 7-6,6-4 |
| ITF M15 Santo Domingo | 2019/12/11 13:30 | A.J Catanzariti v Matt Kuhar | 6-4,1-6,6-4 |
| ITF M15 Santo Domingo | 2019/12/03 17:15 | A.J Catanzariti v Matthew Mendez | 4-6,4-6 |
| ITF M15 Santo Domingo | 2019/11/27 14:30 | Jan Choinski v A.J Catanzariti | 6-1,6-2 |
| ITF M15 Santo Domingo | 2019/11/26 13:00 | A.J Catanzariti v Raphael Lambling | 6-4,6-1 |
| ITF M15 East Lansing | 2019/11/20 14:55 | Jack Findel-Hawkins v A.J Catanzariti | 6-4,6-4 |
| ITF M25 Fort Worth | 2019/10/21 15:00 | A.J Catanzariti v Jacob Fearnley | 4-6,1-6 |