Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/05/05 08:25 | Guido Ivan Justo v Takashi Saito | 1-6,1-6 |
| ITF M15 Monastir | 2021/04/28 08:30 | Yuta Kawahashi v Guido Ivan Justo | 6-4,6-2 |
| ITF M15 Cordoba | 2021/04/06 14:05 | Tomas Farjat v Guido Ivan Justo | 6-2,6-4 |
| ATP Acapulco | 2021/03/14 04:35 | Guido Ivan Justo v Agustin Velotti | 0-6,1-6 |
| ATP Cordoba | 2021/02/20 19:50 | Joao Menezes v Guido Ivan Justo | 6-3,7-6 |
| Challenger Concepcion | 2021/02/14 16:00 | Guido Ivan Justo v Mariano Kestelboim | 3-6,6-4,3-6 |
| ITF M15 Monastir | 2020/10/31 08:30 | Guido Ivan Justo v Skander Mansouri | 6-7,7-5,1-6 |
| ITF M15 Monastir | 2020/10/30 10:00 | Matias Franco Descotte v Guido Ivan Justo | 3-6,4-6 |
| ITF M15 Monastir | 2021/05/09 08:00 | Sungbeen Sim v Francois Musitelli | 2-6,3-6 |
| ITF M15 Monastir | 2021/05/03 13:00 | Francois Musitelli v Constantin Bittoun Kouzmine | 1-6,7-5,7-10 |
| ITF M15 Monastir | 2021/05/02 08:00 | Francois Musitelli v Giorgio Tabacco | 7-6,7-6 |
| ITF M15 Monastir | 2021/04/25 10:30 | Andrea Picchione v Francois Musitelli | 6-3,6-4 |
| ITF M25 Vale Do Lobo | 2021/03/07 10:30 | Jordi Mas De Ugarte v Francois Musitelli | 7-6,6-2 |
| ITF M25 Faro | 2021/03/01 13:00 | Edoardo Graziani v Francois Musitelli | 5-7,7-5,10-5 |
| ITF M25 Faro | 2021/02/28 10:00 | Francois Musitelli v Max Andrews | 2-6,6-4,10-8 |
| UTR Pro Tennis Series Barcelona | 2021/02/07 08:00 | Francois Musitelli v Paul Cayre | 4-6,4-6 |