| ITF M25 Brisbane | 10/29 06:44 | - | Yuichiro Inui v Colin Sinclair | 4-6,7-6,6-4 | |
| ITF M25 Brisbane | 10/22 22:00 | - |
Colin Sinclair v
Alexander Shevchenko
|
View | |
| ITF M25 Brisbane | 10/22 00:00 | - |
Colin Sinclair v
Alexander Klintcharov
|
4-6,4-6 | |
| ITF M25 Perth | 10/10 05:13 | - |
[297] Colin Sinclair v
Marc Polmans
[442]
|
6-7,6-7 | |
| ITF M25 Perth | 10/09 05:00 | - |
[274] Dane Sweeny
v
Colin Sinclair [297] |
6-2,6-7,4-6 | |
| ITF M25 Perth | 10/08 03:30 | - | Colin Sinclair v Zane Stevens | 6-2,7-5 | |
| ITF M25 Perth | 10/03 03:30 | - |
Pavle Marinkov
v
Colin Sinclair |
7-5,6-2 | |
| ITF M25 Perth | 10/02 02:00 | - |
[297] Colin Sinclair v
Matthew Dellavedova
[404]
|
7-6,6-4 | |
| ITF M25 Perth | 09/30 02:00 | - | Nikolas Baker v Colin Sinclair | 4-6,2-6 | |
| ITF M25 Tamworth | 09/19 04:25 | - |
[302] Colin Sinclair v
Matthew Dellavedova
[433]
|
4-6,7-6,1-6 | |
| ITF M25 Tamworth | 09/18 02:40 | - | Colin Sinclair v Zane Stevens | 6-3,7-6 | |
| ITF M25 Tamworth | 09/17 01:30 | - | [302] Colin Sinclair v Jesse Delaney [285] | 6-4,6-3 |
Colin Sinclair (born December 19, 1994) is an American tennis player representing the Northern Mariana Islands.
He achieved a career best singles ranking of world No. 340 on 18 September 2023, and a career high doubles ranking of world No. 200 on 10 April 2023. He has won four doubles titles on the ATP Challenger Tour and eight doubles titles on the ITF Tour. Additionally, he has won three singles ITF titles.
He represents the Northern Mariana Islands in Davis Cup as part of the Pacific Oceania team since 2017 and has a career record of 18–5 (13–3 in singles, 5–2 in doubles) in the competition.