Stadion: Court 8 Round: 62 Ground: Hardcourt outdoor
| ITF - M15 - Monastir | 2021/04/25 09:00 | Remy Bertola v Jason Janis | 6-0,6-1 |
| ITF - M15 - Monastir | 2021/04/18 12:00 | Giorgio Ricca v Jason Janis | 6-1,6-0 |
| ITF - M15 - Monastir | 2021/04/12 08:00 | Jason Janis v Yuta Kawahashi | 1-6,4-6 |
| ITF - M15 - Monastir | 2021/04/11 08:00 | Vincent Knoess v Jason Janis | 0-6,3-6 |
| ITF - M15 - Monastir | 2021/02/28 09:00 | Valentin Lapalu v Jason Janis | 6-1,6-1 |
| ITF - M15 - Monastir | 2021/02/21 11:00 | Daiki Yoshimura v Jason Janis | 6-0,6-2 |
| ITF - M15 - Monastir | 2021/02/14 08:30 | Omar Giacalone v Jason Janis | 6-2,6-1 |
| ITF - M15 - Monastir | 2021/02/10 08:30 | Jason Janis v Alexander Erler | 0-6,4-6 |
| ITF - M15 - Monastir | 2021/05/04 08:00 | Yuta Kawahashi v Mattia Frinzi | 6-2,7-5 |
| ITF - M15 - Monastir | 2021/05/03 12:00 | Luca Castagnola v Mattia Frinzi | 2-6,6-7 |
| ITF - M15 - Monastir | 2021/05/02 12:00 | Theo Arribage v Mattia Frinzi | 6-7,1-6 |
| ITF - M15 - Opatija | 2021/03/23 10:20 | Aleksandre Bakshi v Mattia Frinzi | 6-2,6-3 |
| ITF - M15 - Opatija | 2021/03/22 13:15 | Stefan Loncar v Mattia Frinzi | 3-6,6-7 |
| ITF - M15 - Opatija | 2021/03/21 08:00 | Milan Radojkovic v Mattia Frinzi | 0-6,1-6 |
| ITF - M15 - Rovinj | 2021/03/14 08:30 | Josip Krstanovic v Mattia Frinzi | 6-2,7-6 |
| ITF - M15 - Porec | 2021/03/09 09:00 | Gergely Madarasz v Mattia Frinzi | 7-5,6-3 |