Stadium: Court 17 Round: 54 Ground: Clay
| ITF M25 Trier | 2021/08/23 10:30 | Paul Valsecchi v Fernando Moreira | 6-0,6-0 |
| ITF M15 Warmbad-Villach | 2021/08/17 11:00 | Paul Valsecchi v Mario G Fernandez | 2-6,3-6 |
| ITF M15 Parnu | 2021/08/05 06:55 | Paul Valsecchi v Luke Johnson | 6-3,4-6,0-6 |
| ITF M15 Parnu | 2021/08/04 08:25 | Arvid Nordquist v Paul Valsecchi | 5-7,1-6 |
| ITF M15 Parnu | 2021/08/03 08:30 | Paul Valsecchi v Roni Rikkonen | 6-3,6-2 |
| ITF M15 Parnu | 2021/08/02 09:30 | Paul Valsecchi v Artur Kulibaba | 6-0,6-4 |
| ITF M25 Velenje | 2021/07/04 07:30 | Maks Lukman v Paul Valsecchi | 6-3,4-6,12-10 |
| ITF M25 Belgrade | 2021/06/27 07:00 | Paul Valsecchi v Nikola Slavic | 4-6,4-6 |
| 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 |