Stadium: Court 1 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/04/14 11:00 | Benjamin Pietri v Andrea Guerrieri | 4-6,6-2,7-5 |
| ITF M15 Monastir | 2021/04/12 12:30 | Andrea Guerrieri v Fabio Coelho | 6-3,6-2 |
| ITF M15 Monastir | 2021/04/12 08:00 | Andrea Guerrieri v Federico Lucini | 6-1,6-3 |
| ITF M15 Monastir | 2021/04/11 09:00 | Andrea Guerrieri v Lukas H Lilleengen | 7-5,7-5 |
| ITF M15 St Petersburg | 2021/02/10 08:35 | Vladimir Ivanov v Andrea Guerrieri | 6-4,6-2 |
| ITF M15 St Petersburg | 2021/02/08 07:00 | Andrea Guerrieri v Alexandr Binda | 6-0,7-6 |
| ITF M15 St Petersburg Qual | 2021/02/07 07:00 | Andrea Guerrieri v Bogdan Seleznev | 6-2,6-1 |
| ITF M15 St Petersburg | 2021/02/03 07:00 | Vladimir Ivanov v Andrea Guerrieri | 6-4,7-5 |
| ITF M15 Monastir | 2021/04/12 12:45 | Michal Mikula v Bruno P Navarro | 6-3,6-1 |
| ITF M15 Monastir | 2021/04/12 09:00 | Bruno P Navarro v Youcef Rihane | 6-4,6-2 |
| ITF M15 Monastir | 2021/04/11 12:00 | Bruno P Navarro v Liova Ajavon | 6-3,6-1 |
| ITF M15 Monastir | 2021/04/07 11:30 | Eliakim Coulibaly v Bruno P Navarro | 6-0,6-1 |
| ITF M15 Monastir | 2021/04/05 13:30 | Bruno P Navarro v Fabio Coelho | 4-6,6-4,10-5 |
| ITF M15 Monastir | 2021/04/05 09:00 | Mirko Martinez v Bruno P Navarro | 1-6,1-6 |
| ITF M15 Monastir | 2021/03/11 12:25 | Bruno P Navarro v Luca Giacomini | 0-6,3-6 |
| ITF M15 Monastir | 2021/02/28 09:30 | Viktor Jovic v Bruno P Navarro | 6-3,4-6,13-11 |