Stadium: Grandstand Round: 19 Ground: Clay
| Challenger Sanremo | 2022/04/03 09:30 | Giovanni Fonio v Alexander Weis | 6-4,6-4 |
| ITF Portugal F1 | 2017/02/26 09:30 | Alexander Weis v Giovanni Fonio | 2-6,2-6 |
| Challenger Francavilla | 2023/05/07 09:00 | Giovanni Fonio v Andrea Picchione | 6-3,7-5 |
| Challenger Rome | 2023/04/26 08:00 | Marco Trungelliti v Giovanni Fonio | 2-6,6-1,6-2 |
| Challenger Rome | 2023/04/25 08:55 | Giovanni Fonio v Mattia Bellucci | 6-3,6-4 |
| Challenger Rome | 2023/04/24 08:00 | Giovanni Fonio v Miguel Damas | 6-0,6-0 |
| Challenger Rome | 2023/04/23 08:00 | Giovanni Fonio v Federico Salomone | 6-1,6-1 |
| Challenger Roseto | 2023/04/18 14:00 | Francesco Forti v Giovanni Fonio | 7-6,6-2 |
| Challenger Barletta | 2023/04/02 09:10 | Giovanni Fonio v Julian Ocleppo | 7-6,6-7,1-6 |
| Challenger Sanremo | 2023/03/29 12:00 | Luca Van Assche v Giovanni Fonio | 6-3,6-3 |
| Challenger Francavilla | 2023/05/07 09:00 | Simone Roncalli v Alexander Weis | 7-5,4-6,3-6 |
| Challenger Rome | 2023/04/26 11:35 | Alexander Weis v Alexander Ritschard | 5-7,2-6 |
| Challenger Rome | 2023/04/25 08:00 | Fabian Marozsan v Alexander Weis | 4-6,4-6 |
| Challenger Rome | 2023/04/24 10:05 | Ryan Nijboer v Alexander Weis | 4-6,6-3,2-6 |
| Challenger Rome | 2023/04/23 13:40 | Ergi Kirkin v Alexander Weis | 2-6,7-5,5-7 |
| ITF M25 Santa Margherita | 2023/04/21 09:00 | Julian Ocleppo v Alexander Weis | 5-7,7-6,6-3 |
| ITF M25 Santa Margherita | 2023/04/20 07:55 | Kai Wehnelt v Alexander Weis | 4-6,6-1,6-7 |
| ITF M25 Santa Margherita | 2023/04/19 09:50 | Mikalai Haliak v Alexander Weis | 3-6,4-6 |