Stadium: Court 18 Round: 54 Ground: Clay
| ITF M25 Prostejov | 2021/08/16 07:55 | Simon Malis v Tom Gentzsch | 6-4,5-7,10-8 |
| ITF M25 Prostejov | 2021/08/15 08:00 | Tomas Krcma v Tom Gentzsch | 0-6,2-6 |
| Challenger Meerbusch | 2021/08/08 08:00 | Jesper De Jong v Tom Gentzsch | 6-1,6-3 |
| ITF M15 Skopje | 2021/06/01 08:00 | Niels Visker v Tom Gentzsch | 6-4,6-1 |
| ITF M15 Skopje | 2021/05/31 08:00 | Tom Gentzsch v Louis Allen | 7-6,2-6,13-11 |
| ITF M15 Skopje | 2021/05/30 07:00 | Aloys J W Van Baal v Tom Gentzsch | 1-6,7-5,7-10 |
| ITF M15 Heraklion | 2021/05/17 07:00 | Milan Welte v Tom Gentzsch | 6-0,6-3 |
| ITF M15 Heraklion | 2021/05/16 06:30 | Cheraag Bajwa v Tom Gentzsch | 2-6,1-6 |
| ITF M25 Wetzlar | 2021/08/04 13:10 | Lenny Hampel v Osman Torski | 6-4,7-5 |
| ITF M25 Wetzlar | 2021/08/03 15:30 | John Sperle v Osman Torski | 3-6,3-6 |
| ITF M25 Wetzlar | 2021/08/02 14:00 | Osman Torski v Kai Lemstra | 6-4,0-6,10-5 |
| ITF M15 Antalya | 2021/06/27 06:30 | Osman Torski v Thiago Cigarran | 3-6,1-6 |
| ITF M15 Skopje | 2021/06/02 10:55 | Miljan Zekic v Osman Torski | 4-6,6-4,6-1 |
| ITF M15 Skopje | 2021/06/01 08:00 | Luka Pavlovic v Osman Torski | 6-2,2-6,5-10 |
| ITF M15 Skopje | 2021/05/31 11:00 | Osman Torski v Ivan Manasov | 6-2,6-2 |
| ITF M15 Troisdorf | 2021/05/10 11:00 | Aliaksandr Bulitski v Osman Torski | 6-0,6-3 |