Stadium: Varela CenterCourt Round: 27 Ground: Clay
| ITF M15 Buschhausen | 2023/09/14 12:05 | Deney Wassermann v Thiemo De Bakker | 3-6,2-6 |
| ITF M15 Buschhausen | 2023/09/13 15:00 | Liam Gavrielides v Thiemo De Bakker | 4-6,2-6 |
| 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 Buschhausen | 2023/09/14 11:00 | Gabriele Bosio v Martin Krumich | 6-4,3-6,2-6 |
| ITF M15 Buschhausen | 2023/09/13 10:45 | Noel Larwig v Martin Krumich | 3-6,2-6 |
| ITF M25 Jablonec Nad Nisou | 2023/09/03 08:55 | Martin Krumich v Mohamed Safwat | 6-2,6-0 |
| ITF M25 Jablonec Nad Nisou | 2023/09/02 12:25 | Timo Stodder v Martin Krumich | 6-7,6-4,2-6 |
| ITF M25 Jablonec Nad Nisou | 2023/09/01 12:55 | Martin Krumich v Juan Bautista Torres | 6-4,4-6,6-4 |
| ITF M25 Jablonec Nad Nisou | 2023/08/31 11:30 | Lukas Rosol v Martin Krumich | 3-6,6-4,4-6 |
| ITF M25 Jablonec Nad Nisou | 2023/08/30 09:30 | Martin Krumich v Vojtech Mares | 3-6,6-4,6-4 |
| Challenger Meerbusch | 2023/08/09 08:00 | Martin Krumich v Denis Yevseyev | 7-6,5-7,4-6 |