Stadium: Court 3 Round: 62 Ground: Clay
| ITF - M15 Antalya | 2021/05/02 06:00 | Rossi, Mattia v Donmezer, Enes | 6-7,6-3,11-9 |
| ITF - M15 Antalya | 2021/04/26 09:00 | Rossi, Mattia v Korolev, Vladimir | 3-6,7-6,9-11 |
| ITF - M15 Antalya | 2021/04/25 07:00 | Rossi, Mattia v Sven Corbinais | 6-3,6-4 |
| ITF - M15 Antalya | 2021/04/18 07:00 | Faria, Luis v Rossi, Mattia | 6-3,6-0 |
| ITF - M15 Sharm El Sheikh | 2021/03/15 10:00 | Rossi, Mattia v Neil Oberleitner | 1-6,1-6 |
| ITF - M15 Sharm El Sheikh | 2021/03/07 07:00 | de Rossi, Marco v Rossi, Mattia | 6-2,6-0 |
| ITF M15 Cairo | 2019/12/01 12:00 | Carles Hernandez v Rossi, Mattia | 6-4,6-3 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/09/10 08:30 | Rossi, Mattia v Roland Stuurman | 6-3,2-6,3-6 |
| ITF - M15 Antalya | 2021/04/17 07:20 | Sandro Kopp v Frunza, Nicolae | 3-6,1-6 |
| ITF - M15 Antalya | 2021/04/16 07:00 | Sandro Kopp v Matteo Arnaldi | 7-6,2-6,6-3 |
| ITF - M15 Antalya | 2021/04/15 08:35 | Karl Friberg v Sandro Kopp | 2-6,5-7 |
| ITF - M15 Antalya | 2021/04/13 07:00 | Sandro Kopp v Peter Fajta | 6-2,7-6 |
| ITF - M15 Antalya | 2021/04/07 08:20 | Pablo Llamas Ruiz v Sandro Kopp | 7-5,6-4 |
| ITF - M15 Antalya | 2021/04/06 07:00 | Sandro Kopp v Reinberg, Emil | 6-0,6-4 |
| ITF - M15 Antalya | 2021/04/05 07:00 | Sandro Kopp v Sami Ben Abdennibi | 5-7,6-1,10-2 |
| ITF - M15 Antalya | 2021/04/04 06:30 | Sandro Kopp v Leon Benedict | 6-2,6-4 |