Stadium: Show Court Round: 62 Ground: Hardcourt outdoor
| ITF M15 Tianjin | 2023/07/03 01:00 | William Jesser v He Ziheng | 3-6,7-5,5-10 |
| ITF M15 Tianjin | 2023/06/26 01:00 | Chen-Yu Lu v William Jesser | 6-3,6-3 |
| ITF M15 Tianjin | 2023/06/25 01:00 | Yitao Cao v William Jesser | 6-7,6-0,9-11 |
| ITF M15 Tianjin | 2023/06/18 02:00 | Leroy Yong v William Jesser | 6-0,6-1 |
| ITF M25 Canberra | 2023/03/19 00:00 | William Jesser v Jiayang Dong | 2-6,3-6 |
| ITF M25 Canberra | 2023/03/12 01:30 | Jayden Court v William Jesser | 6-2,6-1 |
| ITF M25 Swan Hill | 2023/02/27 01:30 | Scott Jones v William Jesser | 6-1,6-2 |
| ITF M25 Burnie | 2023/02/05 00:00 | William Jesser v Arjun Mehrotra | 3-6,6-4,8-10 |
| ITF M15 Nakhon Si Thammarat | 2023/07/02 05:45 | Sam Oster v Corban Crowther | 1-6,2-6 |
| ITF M15 Celje | 2023/06/26 08:00 | Miha Vetrih v Sam Oster | 6-0,6-2 |
| ITF M15 Store | 2023/06/19 08:30 | Pietro Pampanin v Sam Oster | 6-4,6-2 |
| ITF M15 Litija | 2023/06/12 11:00 | Sam Oster v Maurus Malgiaritta | 2-6,3-6 |
| ITF M15 Sarajevo | 2023/06/04 10:00 | Sam Oster v Nino Toto | 6-2,3-6,7-10 |
| ITF M15 Osijek | 2023/04/30 08:00 | Sam Oster v Jiri Krouzek | 4-6,3-6 |
| ITF M15 Meerbusch | 2023/04/23 08:00 | Sam Oster v Tom Schonenberg | 4-6,1-6 |
| ITF M25 Canberra | 2023/03/19 02:30 | Sam Oster v Zachary Adam-Gedge | 3-6,4-6 |