Stadion: Court 22 Round: 25 Ground: Clay
| UTR Pro Tennis Series - Mülheim | 2022/06/28 07:15 | Tom Gentzsch v John Sperle | 6-4,3-6,5-1 |
| ITF - M25 - Saint Dizier | 2023/03/30 13:10 | Khumoyun Sultanov v Tom Gentzsch | 6-4,6-1 |
| ITF - M25 - Saint Dizier | 2023/03/29 07:55 | Oscar Lacides v Tom Gentzsch | 3-6,5-7 |
| ITF - M15 - Antalya | 2023/03/24 09:35 | Tom Gentzsch v Gilles Arnaud Bailly | 5-7,2-6 |
| ITF - M15 - Antalya | 2023/03/23 07:20 | Tom Gentzsch v Adam Moundir | 3-6,6-3,6-2 |
| ITF - M15 - Antalya | 2023/03/22 06:50 | Stefan Palosi v Tom Gentzsch | 0-6,2-6 |
| ITF - M15 - Antalya | 2023/03/16 11:00 | Andrey Chepelev v Tom Gentzsch | 6-4,2-6,6-4 |
| ITF - M15 - Antalya | 2023/03/15 06:30 | Igor Gimenez v Tom Gentzsch | 6-2,6-7,3-6 |
| ITF - M15 - Antalya | 2023/03/07 11:35 | Tom Gentzsch v Stefan Palosi | 1-6,3-6 |
| ITF - M15 - Antalya | 2023/04/03 12:40 | Tom Schonenberg v John Sperle | 3-6,6-4,3-10 |
| ITF - M15 - Antalya | 2023/04/02 07:00 | Luca Hesselmann v John Sperle | 0-6,2-6 |
| ITF - M15 - Antalya | 2023/03/29 11:20 | John Sperle v Nicolas Zanellato | 6-7,3-6 |
| ITF - M15 - Antalya | 2023/03/28 07:30 | Ole Bredschneijder v John Sperle | 6-7,1-6 |
| ITF - M15 - Antalya | 2023/03/27 07:00 | Pavel Gula v John Sperle | 0-6,1-6 |
| ITF - M15 - Antalya | 2023/03/26 08:00 | Arthur Machado Barreto v John Sperle | 3-6,0-6 |
| ITF - M15 - Antalya | 2023/03/20 06:55 | Frederic Schlossmann v John Sperle | 6-4,6-3 |
| ITF - M15 - Antalya | 2023/03/19 07:00 | Max Wiskandt v John Sperle | 1-6,3-6 |