Stadium: Court 5 Round: 44 Ground: Clay
| ITF M25 Jablonec Nad Nisou | 2021/05/16 11:30 | Hampel, Lenny v Kris Krawcewicz | 7-5,6-2 |
| ITF M25 Prague | 2021/05/11 10:40 | Franco Agamenone v Hampel, Lenny | 6-3,6-3 |
| ITF M25 Prague | 2021/05/10 09:00 | Dominique Graf v Hampel, Lenny | 3-6,4-6 |
| ITF M25 Prague | 2021/05/09 12:30 | Matthew William Donald v Hampel, Lenny | 2-6,6-4,8-10 |
| ITF M15 Bratislava | 2021/03/10 12:05 | Satral, Jan v Hampel, Lenny | 6-4,6-3 |
| ITF M15 Bratislava | 2021/03/02 12:00 | Hampel, Lenny v Patrik Rikl | 3-6,7-6,2-6 |
| ITF M15 Cairo | 2021/01/30 10:40 | Hampel, Lenny v Gonzalo Lama | 1-6,6-7 |
| ITF M15 Cairo | 2021/01/29 09:10 | Hampel, Lenny v Capecchi, Daniele | 6-2,6-1 |
| ITF M25 Prague | 2021/05/10 10:30 | Franco Agamenone v Recek, Dominik | 6-0,6-2 |
| ITF M25 Prague | 2021/05/09 11:00 | Kris Krawcewicz v Recek, Dominik | 6-2,5-7,7-10 |
| ITF M15 St Petersburg | 2021/04/12 07:00 | Sarp Agabigun v Recek, Dominik | 6-4,6-2 |
| ITF M15 St Petersburg Qual | 2021/04/11 13:55 | Recek, Dominik v Evgeny Philippov | 7-5,6-3 |
| ITF M15 St Petersburg | 2021/04/05 06:55 | Yanki Erel v Recek, Dominik | 7-5,6-2 |
| ITF M15 St Petersburg | 2021/04/04 13:15 | Recek, Dominik v Aliaksandr Liaonenka | 6-4,6-2 |
| ITF M15 Bratislava | 2021/03/08 09:00 | Jakub Novak v Recek, Dominik | 2-6,3-6 |
| ITF M15 Bratislava | 2021/03/03 14:45 | Recek, Dominik v Zsombor Piros | 4-6,3-6 |