Stadium: Court 5 Round: 44 Ground: Clay
| ITF - M15 Gaiba | 2021/06/11 11:55 | Mattia Frinzi v Antoine Bellier | 3-6,5-7 |
| ITF - M15 Gaiba | 2021/06/10 10:45 | Cristian Rodriguez v Mattia Frinzi | 3-6,2-6 |
| ITF - M15 Gaiba | 2021/06/09 14:45 | Lorenzo Rottoli v Mattia Frinzi | 3-6,1-6 |
| ITF - M15 Gaiba | 2021/06/08 10:30 | Mattia Frinzi v Alessandro Ragazzi | 6-4,6-2 |
| ITF - M15 Gaiba | 2021/06/07 14:50 | Mattia Frinzi v Filippo Carpi | 6-2,6-2 |
| ITF - M15 Monastir | 2021/05/15 08:30 | Mohamed Aziz Dougaz v Mattia Frinzi | 7-5,6-4 |
| ITF - M15 Monastir | 2021/05/14 10:00 | Mattia Frinzi v Antoine Bellier | 5-7,7-6,6-4 |
| ITF - M15 Monastir | 2021/05/13 10:30 | Benjamin Lock v Mattia Frinzi | 6-7,4-6 |
| ITF - M15 Antalya | 2021/06/30 10:45 | Menelaos Efstathiou v Nicolae Frunza | 3-6,5-7 |
| ITF - M15 Antalya | 2021/06/29 06:30 | Andrea Picchione v Menelaos Efstathiou | 6-3,4-6,7-10 |
| ITF - M15 Antalya | 2021/06/28 06:30 | Andrea Del Federico v Menelaos Efstathiou | 6-4,4-6,4-10 |
| ITF - M15 Antalya | 2021/06/27 06:30 | Kirill Mishkin v Menelaos Efstathiou | 1-6,3-6 |
| Cupa Davis | 2021/06/19 08:00 | Menelaos Efstathiou v Valentin Vacherot | 3-6,6-7 |
| Cupa Davis | 2021/06/18 07:50 | Aleksandre Bakshi v Menelaos Efstathiou | 3-6,3-6 |
| Cupa Davis | 2021/06/17 08:00 | Menelaos Efstathiou v Anton Magnusson | 7-6,6-3 |
| ITF - M15 Heraklion | 2021/05/28 08:00 | Daniel Cox v Menelaos Efstathiou | 6-7,6-4,6-3 |