Stadium: Villas Rubin 5 Round: 62 Ground: Clay
| UTR Pro Tennis Series Zadar | 2021/10/03 11:00 | Borna Devald v Michalis Sakellaridis | 6-3,7-5 |
| UTR Pro Tennis Series Zadar | 2021/10/02 07:00 | Borna Devald v Drazen Petrovic | 5-0 |
| UTR Pro Tennis Series Zadar | 2021/09/30 08:00 | Borna Devald v Jose A R Rodriguez | 7-6,7-5 |
| UTR Pro Tennis Series Zadar | 2021/09/29 12:00 | Borna Devald v Admir Kalender | 5-7,6-2,1-5 |
| UTR Pro Tennis Series Zadar | 2021/09/28 08:00 | Borna Devald v Alen Rogic-Hadzalic | 3-6,4-5 |
| UTR Pro Tennis Series Zadar | 2021/09/27 15:30 | Borna Devald v Myroslav Bondar | 6-0,6-1 |
| ITF M15 Sibenik | 2021/04/19 14:30 | Borna Devald v Tim Heger | 3-6,2-6 |
| ITF M15 Sibenik | 2021/04/18 13:00 | Borna Devald v Obrad Markovski | 6-3,5-7,10-7 |
| ITF M15 Melilla | 2021/09/21 08:00 | Federico Marchetti v Raffael Schaer | 4-6,3-6 |
| ITF M25 Lesa | 2021/08/26 10:30 | Alessandro Bega v Federico Marchetti | 4-6,7-5,6-4 |
| ITF M25 Lesa | 2021/08/25 12:10 | Federico Marchetti v Andrea Del Federico | 6-4,6-0 |
| ITF M25 Lesa | 2021/08/23 13:40 | Antonio Campo v Federico Marchetti | 3-6,6-2,6-10 |
| ITF M25 Lesa | 2021/08/22 14:40 | Omar Brigida v Federico Marchetti | 5-7,5-7 |
| ITF M15 Pescara | 2021/08/16 07:00 | Giannicola Misasi v Federico Marchetti | 6-3,6-4 |
| ITF M15 Pescara | 2021/08/15 07:30 | Christian Fellin v Federico Marchetti | 0-6,2-6 |
| ITF M25 Bolzano | 2021/08/02 16:40 | Riccardo Di Nocera v Federico Marchetti | 6-4,6-4 |