Stadium: Court 4 Round: 54 Ground: Clay
| ITF M25 - Biel | 2021/03/29 14:30 | Mick Veldheer v Jan Sebesta | 6-3,6-1 |
| ITF M25 Trimbach | 2021/03/10 12:30 | Jan Sebesta v Antoine Bellier | 2-6,1-6 |
| ITF M25 Trimbach | 2021/03/09 08:55 | Giovanni Agostinetto v Jan Sebesta | 4-6,2-6 |
| ITF M25 Trimbach | 2021/03/08 15:35 | Alexander Wolfschmidt v Jan Sebesta | 2-6,4-6 |
| ITF - M15 Antalya | 2021/02/21 13:00 | Dragos Nicolae Madaras v Jan Sebesta | 6-1,6-3 |
| ITF - M15 Antalya | 2021/01/07 09:00 | Davide Galoppini v Jan Sebesta | 6-4,6-4 |
| ITF - M15 Antalya | 2021/01/06 07:30 | Daniil Savelev v Jan Sebesta | 5-7,2-6 |
| ITF - M15 Antalya | 2021/01/04 07:00 | Jan Sebesta v Simeon Terziev | 6-3,7-6 |
| Challenger - Bratislava | 2021/06/06 08:00 | Vit Kopriva v Lukas Palovic | 3-6,6-4,6-1 |
| ITF M15 - Sarajevo | 2021/05/30 07:30 | Michele Vianello v Lukas Palovic | 7-5,6-4 |
| ITF - M25 Kiseljak | 2021/05/28 15:40 | Lukas Palovic v Francesco Forti | 2-6,3-6 |
| ITF - M25 Kiseljak | 2021/05/26 13:00 | Lukas Palovic v Leandro Riedi | 6-4,7-5 |
| ITF - M25 Kiseljak | 2021/05/25 10:40 | Valentin Lapalu v Lukas Palovic | 3-6,6-3,3-10 |
| ITF - M25 Kiseljak | 2021/05/24 09:30 | Erdem Isitan v Lukas Palovic | 2-6,1-6 |
| ITF - M25 Kiseljak | 2021/05/23 08:15 | Pavle Daljev v Lukas Palovic | 2-6,3-6 |
| ITF - M15 Brčko | 2021/05/18 08:15 | Aleksandar Tomas v Lukas Palovic | 0-6,7-6,10-5 |