Stadium: Court 2 Round: 27 Ground: Clay
| ITF M25 Bolzano | 2021/08/04 10:05 | Federico Arnaboldi v Giorgio Tabacco | 6-3,6-1 |
| ITF M25 Bolzano | 2021/08/04 07:00 | Federico Arnaboldi v Andrea Basso | 6-4,6-0 |
| ITF M15 Perugia | 2021/07/22 17:00 | Federico Arnaboldi v Remy Bertola | 6-2,6-4 |
| ITF M15 Perugia | 2021/07/21 14:00 | Federico Arnaboldi v Federico Bertuccioli | 4-6,6-2,6-4 |
| ITF M15 L'Aquila | 2021/07/18 11:25 | Federico Arnaboldi v Alexander Weis | 4-6,7-5,6-1 |
| ITF M15 L'Aquila | 2021/07/17 07:30 | Federico Arnaboldi v Luciano Darderi | 4-6,6-3,7-6 |
| ITF M15 L'Aquila | 2021/07/16 07:25 | Federico Arnaboldi v Gianmarco Ferrari | 7-6,6-2 |
| ITF M15 L'Aquila | 2021/07/15 08:30 | Juan Ignacio Galarza v Federico Arnaboldi | 4-6,2-6 |
| ITF M25 Bolzano | 2021/08/04 11:10 | Marco Bortolotti v Arthur Reymond | 6-4,6-4 |
| ITF M25 Bolzano | 2021/08/03 16:20 | Marco Bortolotti v Luca Castagnola | 6-1,3-6,6-2 |
| ITF M25 Wroclaw | 2021/06/30 11:15 | Marco Bortolotti v Illya Beloborodko | 3-6,3-6 |
| Challenger Biella | 2021/05/30 10:55 | Alexey Vatutin v Marco Bortolotti | 3-6,6-4,6-1 |
| ITF M15 Prijedor | 2021/05/11 09:35 | Denis Yevseyev v Marco Bortolotti | 7-6,6-3 |
| Challenger Zadar | 2021/03/23 09:00 | Marco Bortolotti v Vit Kopriva | 1-6,3-6 |
| Challenger Zadar | 2021/03/22 09:00 | Vladyslav Orlov v Marco Bortolotti | 6-2,6-7,6-7 |
| Challenger Zadar | 2021/03/21 13:35 | Victor Vlad Cornea v Marco Bortolotti | 1-6,3-6 |