Stadium: Court 3 Round: 62 Ground: Clay
| ITF M15 Warmbad-Villach | 2023/05/22 08:00 | Kai Lemstra v Igor Dudun | 6-1,6-2 |
| ITF M15 Warmbad-Villach | 2023/05/21 10:00 | Yannick Penkner v Igor Dudun | 4-6,4-6 |
| ITF M15 Krsko | 2023/05/15 08:00 | Igor Dudun v Lun Obrul | 3-6,3-6 |
| ITF M25 Tbilisi | 2023/04/30 11:15 | Raz Katz v Igor Dudun | 2-6,6-0,10-4 |
| ITF M25 Tbilisi | 2023/04/24 08:00 | Eskander Guryev v Igor Dudun | 3-6,6-3,16-14 |
| ITF M25 Trento | 2023/03/28 07:00 | Biagio Gramaticopolo v Igor Dudun | 6-3,6-3 |
| ITF M25 Trento | 2023/03/27 11:15 | Erwin Troebinger v Igor Dudun | 1-6,1-6 |
| ITF M25 Opatija | 2023/03/19 10:30 | Igor Dudun v Federico Marchetti | 6-7,3-6 |
| Challenger Ostrava | 2023/04/23 12:15 | Henri Squire v Jan Jermar | 6-2,6-4 |
| ITF M25 Faro | 2023/02/20 11:35 | Jan Jermar v Fabio Coelho | 2-6,1-6 |
| ITF M25 Faro | 2023/02/19 13:00 | Manuel Almeida v Jan Jermar | 0-6,2-6 |
| ITF M25 Vila Real de Santo Antonio | 2023/02/13 09:30 | Benjamin Winter Lopez v Jan Jermar | 6-1,6-2 |
| ITF M25 Vila Real de Santo Antonio | 2023/02/12 09:00 | Jan Jermar v Jordi Domenech Castillo | 6-2,6-3 |
| ITF M25 Vila Real de Santo Antonio | 2023/02/07 10:00 | Mario Mansilla Diez v Jan Jermar | 6-0,6-2 |
| ITF M25 Vila Real de Santo Antonio | 2023/02/06 10:00 | Jan Jermar v Enzo Frances Tessari | 6-4,6-2 |
| ITF M25 Vila Real de Santo Antonio | 2023/02/05 10:00 | Jan Jermar v Areg Stepanian | 6-3,6-2 |