Stadium: Court 4 Round: 27 Ground: Clay
| Challenger San Marino | 2021/08/15 19:00 | Holger Rune v Orlando Luz | 1-6,6-2,6-3 |
| Challenger San Marino | 2021/08/14 19:10 | Hugo Dellien v Orlando Luz | 4-6,2-6 |
| Challenger San Marino | 2021/08/13 19:00 | Orlando Luz v Maxime Janvier | 7-6,7-5 |
| Challenger San Marino | 2021/08/12 14:30 | Blaz Rola v Orlando Luz | 6-4,4-6,2-6 |
| Challenger San Marino | 2021/08/09 12:45 | Orlando Luz v Nikolas Sanchez Izquierdo | 6-1,6-7,6-2 |
| Challenger San Marino | 2021/08/08 12:50 | Orlando Luz v Oscar Jose Gutierrez | 7-5,6-3 |
| Challenger Trieste | 2021/07/30 12:00 | Thiago Agustin Tirante v Orlando Luz | 7-5,6-4 |
| Challenger Trieste | 2021/07/28 10:00 | Julian Lenz v Orlando Luz | 5-7,0-6 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/08 12:30 | Shintaro Mochizuki v Zsombor Piros | 3-6,6-7 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/08 08:00 | David Poljak v Zsombor Piros | 4-6,6-7 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/07 12:00 | Toby Alex Kodat v Zsombor Piros | 4-6,5-7 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/05 08:35 | Maks Kasnikowski v Zsombor Piros | 4-6,7-6,6-7 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/03 11:40 | Fabian Marozsan v Zsombor Piros | 6-7,3-6 |
| ITF M25 Kottingbrunn | 2021/07/23 11:00 | Pavel Nejedly v Zsombor Piros | 4-6,7-6,3-6 |
| ITF M25 Kottingbrunn | 2021/07/22 11:00 | Toby Martin v Zsombor Piros | 3-6,1-6 |
| ITF M25 Kottingbrunn | 2021/07/21 11:40 | Peter Goldsteiner v Zsombor Piros | 4-6,1-6 |