Stadium: C1 Regione Abruzzo Round: 28 Ground: Clay
| ITF M15 Bergamo | 2021/06/21 19:00 | Alexander Weis v Marcello Serafini | 7-5,6-4 |
| ITF M15 L'Aquila | 2021/07/16 09:45 | Alexander Weis v Andrea Basso | 7-5,1-6,6-2 |
| ITF M15 L'Aquila | 2021/07/15 13:00 | Luca Nardi v Alexander Weis | 3-6,6-7 |
| ITF M15 L'Aquila | 2021/07/14 13:10 | Alexander Weis v Giorgio Ricca | 6-7,7-6,6-4 |
| ITF M15 Sofia | 2021/07/10 08:00 | Alexander Weis v Francisco Comesana | 4-6,2-6 |
| ITF M15 Sofia | 2021/07/09 08:30 | Gabriel Donev v Alexander Weis | 6-4,3-6,6-7 |
| ITF M15 Sofia | 2021/07/08 10:15 | Timo Legout v Alexander Weis | 4-6,7-6,4-6 |
| ITF M15 Sofia | 2021/07/06 07:30 | Aziz Ouakaa v Alexander Weis | 0-6,3-6 |
| ITF M15 Bergamo | 2021/06/26 14:30 | Alexander Weis v Riccardo Balzerani | 3-6,4-6 |
| ITF M15 L'Aquila | 2021/07/16 09:25 | Pablo Llamas Ruiz v Marcello Serafini | 4-6,0-6 |
| ITF M15 L'Aquila | 2021/07/15 14:20 | Lorenzo Bocchi v Marcello Serafini | 3-6,5-7 |
| ITF M15 L'Aquila | 2021/07/14 14:15 | Marcello Serafini v Tomas Lipovsek Puches | 6-3,6-7,6-3 |
| ITF M15 L'Aquila | 2021/07/13 10:20 | Gabriele Moghini v Marcello Serafini | 6-3,6-7,10-3 |
| ITF M15 L'Aquila | 2021/07/12 15:30 | Pasquale De Giorgio v Marcello Serafini | 6-1,1-6,5-10 |
| ITF M15 L'Aquila | 2021/07/11 11:00 | Alberto Orso v Marcello Serafini | 3-6,6-7 |
| ITF M25 Casinalbo | 2021/07/06 07:45 | Marcello Serafini v Simone Roncalli | 2-6,2-6 |
| ITF M25 Casinalbo | 2021/07/05 08:15 | Marcello Serafini v Davide Tortora | 6-3,3-6,10-8 |