Stadium: Court 18 Round: 25 Ground: Clay
| ITF - Opatija M15 | 2021/03/24 09:00 | Matteo Arnaldi v Andrea Basso | 6-2,6-4 |
| ITF - Rovinj M15 | 2021/03/19 12:00 | Andrea Basso v Giovanni Fonio | 6-7,1-6 |
| ITF - Rovinj M15 | 2021/03/18 10:30 | Alex Rybakov v Andrea Basso | 6-1,2-6,5-7 |
| ITF - Rovinj M15 | 2021/03/17 10:35 | Fermin Tenti v Andrea Basso | 1-6,1-6 |
| ITF - Porec M15 | 2021/03/09 12:30 | Davide Galoppini v Andrea Basso | 6-2,6-2 |
| ITF - Antalya M15 | 2021/02/16 07:00 | Andrea Basso v Aaron Cohen | 6-7,7-5,5-10 |
| ITF - Antalya M15 | 2021/02/14 12:00 | Andrea Basso v Tomislav Jotovski | 6-4,6-2 |
| ITF - Antalya M15 | 2021/02/07 06:00 | Andrea Basso v Alex M Pujolras | 4-6,2-6 |
| Challenger Oeiras | 2021/04/09 14:55 | Goncalo Oliveira v Tiago Cacao | 7-5,6-2 |
| Challenger Oeiras | 2021/04/08 13:00 | Mischa Zverev v Tiago Cacao | 3-6,6-1,6-7 |
| Challenger Oeiras | 2021/04/06 10:35 | Tiago Cacao v Tristan Lamasine | 6-2,6-4 |
| Challenger Oeiras | 2021/04/02 12:00 | Tiago Cacao v Zdenek Kolar | 3-6,2-6 |
| Challenger Oeiras | 2021/04/01 12:00 | Mats Moraing v Tiago Cacao | 6-4,2-6,5-7 |
| Challenger Oeiras | 2021/03/30 12:35 | Duckhee Lee v Tiago Cacao | 3-6,4-6 |
| ITF - Vale Do Lobo M25 | 2021/03/10 11:25 | Tiago Cacao v Christopher Heyman | 3-6,2-6 |
| ITF - Faro M25 | 2021/03/03 13:40 | Kuzey Cekirge v Tiago Cacao | 6-4,5-7,6-2 |