Stadium: Court 4 Round: 25 Ground: Clay
| Challenger - Meerbusch | 2023/08/07 08:00 | Guy Den Ouden v Liam Gavrielides | 4-6,6-3,6-3 |
| Challenger Luedenscheid | 2023/08/01 13:00 | Fabian Marozsan v Liam Gavrielides | 7-6,6-3 |
| ITF M15 Metzingen | 2023/07/29 13:20 | Daniel Paty v Liam Gavrielides | 6-2,6-3 |
| ITF M15 Metzingen | 2023/07/28 13:35 | Gian Luca Tanner v Liam Gavrielides | 6-3,5-7,3-6 |
| ITF M15 Metzingen | 2023/07/27 11:15 | Taym Alazmeh v Liam Gavrielides | 1-6,6-7 |
| ITF M15 Metzingen | 2023/07/25 10:55 | Liam Gavrielides v Matthew Dellavedova | 6-2,7-5 |
| Challenger Braunchsweig | 2023/07/10 12:25 | Liam Gavrielides v Carlos Taberner | 6-7,0-6 |
| Challenger Braunchsweig | 2023/07/09 11:00 | Maxime Janvier v Liam Gavrielides | 3-6,5-7 |
| ITF M15 Haren | 2023/09/10 11:00 | Sidane Pontjodikromo v Thiemo De Bakker | 3-6,2-6 |
| ITF M15 Haren | 2023/09/09 10:00 | Thiemo De Bakker v Brian Bozemoj | 6-3,6-2 |
| ITF M15 Haren | 2023/09/08 16:05 | Kai Lemstra v Thiemo De Bakker | 3-6,6-7 |
| ITF M15 Haren | 2023/09/07 13:25 | Thiemo De Bakker v Dax Donders | 7-6,6-2 |
| ITF M15 Haren | 2023/09/06 16:10 | Elgin Khoeblal v Thiemo De Bakker | 2-6,1-6 |
| ITF M15 Haren | 2023/09/05 08:00 | Thiemo De Bakker v Mats Bredschneijder | 6-2,6-0 |
| ITF M15 Haren | 2023/09/04 11:00 | Thiemo De Bakker v Louis Van Herck | 6-2,7-5 |
| ITF M25 Oldenzaal | 2023/08/30 17:35 | Oliver Crawford v Thiemo De Bakker | 3-6,6-1,6-3 |