Stadium: Court 4 Round: 44 Ground: Clay
| Challenger Como | 2021/08/29 10:00 | Gianmarco Ferrari v Alexey Vatutin | 4-6,6-4,6-7 |
| ITF - Lesa M25 | 2021/08/24 19:00 | Matias Franco Descotte v Gianmarco Ferrari | 6-3,4-6,6-4 |
| ITF - Bolzano M25 | 2021/08/03 17:00 | Gianmarco Ferrari v Luca Vanni | 7-6,3-6,6-7 |
| ITF - Perugia M15 | 2021/07/21 15:05 | Pietro Marino v Gianmarco Ferrari | 6-4,6-4 |
| ITF - L'Aquila M15 | 2021/07/16 07:25 | Federico Arnaboldi v Gianmarco Ferrari | 7-6,6-2 |
| ITF - L'Aquila M15 | 2021/07/15 10:25 | Gianmarco Ferrari v Alexis Musialek | 6-3,6-1 |
| ITF - L'Aquila M15 | 2021/07/14 13:35 | Andrea Picchione v Gianmarco Ferrari | 6-7,0-6 |
| ITF - L'Aquila M15 | 2021/07/13 07:50 | Gianmarco Ferrari v Luciano Carraro | 7-5,6-3 |
| ITF - Ulcinj M15 | 2021/09/12 08:00 | Jerko Brkic v Lior Goldenberg | 6-3,6-0 |
| UTR Pro Tennis Series - Zadar | 2021/07/04 08:30 | Jerko Brkic v Karlo Kajin | 6-4,6-4 |
| UTR Pro Tennis Series - Zadar | 2021/07/02 12:30 | Constant De La Bassetiere v Jerko Brkic | 7-6,5-2 |
| UTR Pro Tennis Series - Zadar | 2021/07/01 09:30 | Warren Sinius v Jerko Brkic | 6-3,6-5 |
| UTR Pro Tennis Series - Zadar | 2021/06/30 08:00 | Josip Krstanovic v Jerko Brkic | 6-4,5-3 |
| UTR Pro Tennis Series - Zadar | 2021/06/28 12:30 | Frane Nincevic v Jerko Brkic | 6-1,7-5 |
| Challenger Split | 2021/04/04 13:20 | Lukas Klein v Jerko Brkic | 6-1,6-2 |
| ITF - Porec M15 | 2020/03/08 08:00 | Jerko Brkic v Gorazd Srbljak | 2-6,6-7 |