Stadium: Opatija 3 Round: 62 Ground: Clay
| ITF M15 Antalya | 2021/12/15 10:25 | Michel Hopp v Federico Marchetti | 6-4,6-2 |
| ITF M15 Antalya | 2021/12/14 06:25 | Federico Marchetti v Gheorghe Claudiu Schinteie | 6-3,6-4 |
| ITF M15 Antalya | 2021/12/13 08:25 | Federico Marchetti v David Bulbulian | 6-3,6-2 |
| ITF M15 Antalya | 2021/12/10 06:00 | Arthur Fils v Federico Marchetti | 6-2,6-3 |
| ITF M15 Antalya | 2021/12/09 11:15 | Gheorghe Claudiu Schinteie v Federico Marchetti | 4-6,2-6 |
| ITF M15 Antalya | 2021/12/09 06:00 | Federico Marchetti v Riccardo Di Nocera | 6-4,6-3 |
| ITF M15 Antalya | 2021/12/06 12:30 | Federico Marchetti v Gokberk Saritas | 6-0,6-1 |
| ITF M15 Melilla | 2021/09/21 08:00 | Federico Marchetti v Raffael Schaer | 4-6,3-6 |
| 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 |