Stadium: Stadium Round: 28
| Australian Open WC | 2018/11/30 02:00 | Colin Sinclair v Ze Zhang | 1-6,1-6 |
| Australian Open WC | 2018/11/28 03:25 | Di Wu v Colin Sinclair | 2-6,3-6 |
| Challenger Kobe | 2018/11/14 02:00 | Aleksandar Vukic v Colin Sinclair | 6-1,6-1 |
| Challenger Kobe | 2018/11/12 02:00 | Blake Ellis v Colin Sinclair | 4-6,4-6 |
| Challenger Kobe | 2018/11/11 04:40 | Taisei Ichikawa v Colin Sinclair | 4-6,4-6 |
| Challenger Kobe | 2018/11/10 07:35 | Itsuki Matsumoto v Colin Sinclair | 4-6,1-6 |
| Challenger Canberra 2 | 2018/10/26 23:50 | Colin Sinclair v Harry Bourchier | 2-6,4-6 |
| Challenger Traralgon | 2018/10/21 23:00 | Yosuke Watanuki v Colin Sinclair | 6-3,7-5 |
| ITF USA F34 | 2018/11/28 16:00 | Henry Craig v Mate Zsiga | 6-1,6-7,4-6 |
| ITF USA F34 | 2018/11/26 20:55 | Henry Craig v Barnaby Smith | 6-4,6-4 |
| ITF USA F33 | 2018/11/21 15:00 | Henry Craig v Andrew Watson | 6-4,6-7,4-6 |
| ITF USA F33 | 2018/11/19 15:00 | Tim Seibert v Henry Craig | 3-6,4-6 |
| ITF USA F31 | 2018/11/13 19:55 | Henry Craig v Diego Hidalgo | 6-3,2-6,5-7 |
| ITF USA F28B | 2018/10/22 18:40 | Maxime Cressy v Henry Craig | 6-3,2-6,7-6 |
| ITF USA F28 | 2018/10/17 16:00 | Nuno Borges v Henry Craig | 3-6,6-3,6-4 |
| Challenger Stockton | 2018/09/30 20:35 | Henry Craig v Alexander Sarkissian | 2-6,2-6 |