Stadium: Court 2 Round: 27 Ground: Hardcourt outdoor
| ITF M15 Vaasa | 2023/06/08 08:00 | Tom Gentzsch v Siim Troost | 6-3,6-3 |
| ITF M15 Vaasa | 2023/06/07 08:45 | Tom Gentzsch v Gabriele Moghini | 7-6,6-3 |
| ITF - M15 Constanta | 2023/06/01 10:10 | Tom Gentzsch v Elmer Moller | 0-6,6-3,3-6 |
| ITF - M15 Constanta | 2023/05/31 11:40 | Tom Gentzsch v Filip Gabriel Bara | 6-3,6-2 |
| ITF M25 Most | 2023/05/24 07:55 | Timo Stodder v Tom Gentzsch | 6-2,6-2 |
| ITF M25 Most | 2023/05/23 09:35 | Tom Gentzsch v Sklenka, Victor | 6-3,6-3 |
| ITF M25 Most | 2023/05/22 08:00 | Tom Gentzsch v Przemyslaw Michocki | 6-1,7-5 |
| ITF - M15 Alaminos-Larnaca | 2023/05/03 09:50 | Tom Gentzsch v Prechtel, Sebastian | 4-6,7-6,1-6 |
| ITF M15 Vaasa | 2023/06/08 12:25 | Jack Karlsson Winstrand v Nicolas Kobelt | 2-6,6-4,3-6 |
| ITF M15 Vaasa | 2023/06/07 14:20 | Ivan Denisov v Nicolas Kobelt | 4-6,5-7 |
| ITF - M15 Kalmar | 2023/05/18 09:15 | Nicolas Kobelt v Lewie Lane | 4-6,2-6 |
| ITF - M15 Kalmar | 2023/05/17 08:00 | Nicolas Kobelt v Pedro Sakamoto | 6-3,7-5 |
| ITF - M25 Varnamo | 2023/05/09 11:40 | Lewie Lane v Nicolas Kobelt | 6-3,2-6,7-5 |
| ITF - M15 Antalya | 2023/05/01 09:35 | Nicolas Kobelt v Jerome Iaconi | 6-2,4-6,10-12 |
| ITF - M15 Antalya | 2023/04/30 07:00 | Nicolas Kobelt v Matteo Meneghetti | 4-6,7-5,10-7 |
| ITF - M15 Antalya | 2023/04/26 07:30 | Nicolas Kobelt v Cengiz Aksu | 6-2,1-6,1-6 |