Stadium: Court 2 Round: 54 Ground: Clay
| ITF M25 Koksijde | 2023/08/13 08:00 | Thiemo De Bakker v Ilian Borlee | 6-3,6-0 |
| ITF M25 The Hague | 2023/07/06 17:00 | Thiemo De Bakker v Deney Wassermann | 6-7,6-1,4-6 |
| ITF M25 The Hague | 2023/07/05 16:55 | Kyvan Rietkerk v Thiemo De Bakker | 2-6,2-6 |
| ITF M15 Jakarta | 2023/06/29 03:25 | Karan Singh v Thiemo De Bakker | 5-7,6-7 |
| ITF M15 Jakarta | 2023/06/28 02:00 | David Agung Susanto v Thiemo De Bakker | 5-7,4-6 |
| ITF M15 Jakarta | 2023/06/21 02:00 | Anthony Susanto v Thiemo De Bakker | 4-6,3-6 |
| ITF M15 Meerbusch | 2023/04/26 16:00 | Thiemo De Bakker v Tim Handel | 6-3,6-7,4-6 |
| ITF M25 Palmanova | 2023/03/22 11:30 | Pablo Llamas Ruiz v Thiemo De Bakker | 6-3,7-5 |
| ITF M25 Koksijde | 2023/08/13 09:55 | Cian Maguire v Giacomo Crisostomo | 2-6,1-6 |
| ITF M15 Eupen | 2023/08/07 07:00 | Roland Stuurman v Giacomo Crisostomo | 1-6,6-1,10-5 |
| ITF M25 Bolzano | 2023/07/30 14:00 | Davide Ferrarolli v Giacomo Crisostomo | 6-3,6-2 |
| ITF M25 Biella | 2023/07/04 12:20 | Alessandro Pecci v Giacomo Crisostomo | 6-1,7-6 |
| ITF M25 Biella | 2023/07/03 11:00 | Giacomo Crisostomo v Alessandro Spadola | 4-6,6-3,10-5 |
| ITF M25 Biella | 2023/07/03 07:00 | Alexander Orlov v Giacomo Crisostomo | 7-6,3-6,8-10 |
| ITF M25 Sierre | 2022/08/31 08:00 | Giacomo Crisostomo v Timofey Stepanov | 1-6,6-7 |
| ITF M25 Sierre | 2022/08/30 07:00 | Giacomo Crisostomo v Nicolas Affolter | 6-3,2-6,10-3 |