Stadium: Court 5 Round: 45 Ground: Hardcourt outdoor
| Challenger Zhuhai | 2023/08/23 05:15 | Aliaksandr Liaonenka v Colin Sinclair | 7-6,6-3 |
| Challenger Zhuhai | 2023/08/22 03:25 | Colin Sinclair v Leo Borg | 6-3,6-2 |
| ITF M15 Caloundra | 2023/08/05 02:55 | Colin Sinclair v Luke Saville | 7-5,4-6,4-6 |
| ITF M15 Caloundra | 2023/08/04 00:00 | Casey Hoole v Colin Sinclair | 6-4,4-6,5-7 |
| ITF M15 Caloundra | 2023/08/02 02:30 | Anton Shepp v Colin Sinclair | 2-6,5-7 |
| Davis Kupa | 2023/07/28 06:45 | Colin Sinclair v Zaid Shelbaya | 6-1,6-0 |
| Davis Kupa | 2023/07/27 05:30 | Colin Sinclair v Sarinreach Leng | 7-5,6-2 |
| Davis Kupa | 2023/07/26 08:00 | Colin Sinclair v Mitsuki Wei Kang Leong | 6-2,2-6,6-7 |
| Challenger Zhuhai | 2023/08/21 03:00 | Shuichi Sekiguchi v Markos Kalovelonis | 7-6,2-6,6-4 |
| Challenger Zhuhai | 2023/08/20 05:00 | Cheng-Peng Hsieh v Markos Kalovelonis | 0-6,2-6 |
| ITF M25 Jakarta | 2023/08/15 02:30 | Markos Kalovelonis v S D Prajwal Dev | 6-7,3-6 |
| ITF M25 Jakarta | 2023/08/09 05:30 | Markos Kalovelonis v Mitsuki Wei Kang Leong | 3-6,4-6 |
| ITF M25 Nakhon Si Thammarat | 2023/06/14 02:00 | Markos Kalovelonis v Finn Reynolds | 3-6,6-4,3-6 |
| ITF M25 Jakarta | 2023/06/08 02:00 | Markos Kalovelonis v Digvijay Pratap Singh | 3-6,6-3,3-6 |
| ITF M25 Jakarta | 2023/06/07 03:30 | Eric Padgham v Markos Kalovelonis | 6-7,6-7 |
| ITF M25 Jakarta | 2023/06/01 02:25 | Hiroki Moriya v Markos Kalovelonis | 7-6,6-2 |