Stadium: Court 5 Round: 14 Ground: Hardcourt outdoor
| ITF M25 Nottingham | 2023/05/04 09:00 | Yusuke Takahashi v Robert Strombachs | 6-2,6-1 |
| ITF M25 Nottingham | 2023/05/03 12:40 | Freddy Blaydes v Robert Strombachs | 1-6,2-6 |
| ITF M25 Sanxenxo | 2023/04/30 09:00 | Robert Strombachs v Rigele Te | 6-7,6-3,6-7 |
| ITF M25 Sanxenxo | 2023/04/29 13:45 | Diego F Flores v Robert Strombachs | 6-7,5-7 |
| ITF M25 Sanxenxo | 2023/04/28 13:00 | Robert Strombachs v Johannes Haerteis | 7-6,6-4 |
| ITF M25 Sanxenxo | 2023/04/27 16:10 | Robert Strombachs v Julio Cesar Porras | 6-2,6-2 |
| ITF M25 Sanxenxo | 2023/04/26 16:00 | Robert Strombachs v Ander Tarrio Ponte | 6-1,6-1 |
| Challenger Morelos | 2023/04/17 18:55 | Luke Saville v Robert Strombachs | 6-1,7-6 |
| ITF M25 Jakarta | 2023/04/27 02:00 | Ray Ho v Brandon Walkin | 4-6,6-7 |
| ITF M25 Jakarta | 2023/04/25 06:05 | Ramkumar Ramanathan v Ray Ho | 0-6,2-6 |
| ITF M25 Jakarta | 2023/04/20 03:50 | Yeongseok Jeong v Ray Ho | 6-4,6-4 |
| ITF M25 Jakarta | 2023/04/19 02:30 | Ray Ho v Andrew Rogers | 6-3,6-4 |
| ITF M25 Jakarta | 2023/04/17 02:25 | Ray Ho v Credit Chaiyarin | 6-2,7-6 |
| ITF M25 Jakarta | 2023/04/12 04:35 | Fajing Sun v Ray Ho | 6-4,6-4 |
| ITF M25 Jakarta | 2023/04/11 02:00 | Ray Ho v Derek Pham | 4-6,6-2,10-4 |
| ITF M25 Jakarta | 2023/04/10 02:30 | Ray Ho v Ethan Cook | 6-2,7-6 |