Stadium: Court 1 Round: 28 Ground: Carpet indoor
| ITF M15 Metzingen | 2023/07/25 11:00 | Tom Gentzsch v Gian Luca Tanner | 2-6,4-6 |
| ITF M25 Kassel | 2023/07/12 11:35 | Tom Gentzsch v Aldin Setkic | 4-6,2-6 |
| ITF M25 Marburg | 2023/07/06 10:35 | Alex Rybakov v Tom Gentzsch | 6-7,6-3,6-2 |
| ITF M15 Kamen | 2023/07/01 12:40 | Hynek Barton v Tom Gentzsch | 7-6,7-5 |
| ITF M15 Kamen | 2023/06/29 08:50 | Tom Gentzsch v Marc Majdandzic | 6-3,4-6,7-6 |
| ITF M15 Kamen | 2023/06/27 09:55 | Tom Gentzsch v Illya Beloborodko | 6-3,6-4 |
| ITF M15 Saarlouis | 2023/06/22 11:10 | Tom Gentzsch v Jeffrey Von Der Schulenburg | 4-6,3-6 |
| ITF M15 Saarlouis | 2023/06/21 16:25 | Luca Staeheli v Tom Gentzsch | 6-4,3-6,2-6 |
| ITF M15 Monastir | 2023/06/28 11:20 | Aziz Ouakaa v Hamish Stewart | 6-4,4-6,6-3 |
| ITF M15 Monastir | 2023/06/22 08:30 | Hamish Stewart v Gilbert S K Junior | 3-6,4-6 |
| ITF M15 Monastir | 2023/06/21 13:00 | Kalman Boyd v Hamish Stewart | 4-6,4-6 |
| ITF M15 Monastir | 2023/06/15 09:55 | Pietro Marino v Hamish Stewart | 6-3,6-4 |
| ITF M25 Nottingham | 2023/04/25 13:40 | Alec Deckers v Hamish Stewart | 4-6,7-6,6-1 |
| ITF M25 Nottingham | 2023/04/20 11:45 | Hamish Stewart v Daniel Little | 6-7,3-6 |
| ITF M25 Nottingham | 2023/04/19 10:20 | August Holmgren v Hamish Stewart | 6-7,5-7 |
| ITF M25 Nottingham | 2023/04/17 11:25 | Hamish Stewart v George Houghton | 6-4,6-4 |