Stadium: Court 3 Round: 44 Ground: Clay
| ITF M15 Ulcinj | 2021/09/06 13:00 | Daniel Ibragimov v Felipe Mikkelsen | 6-1,5-7,10-2 |
| ITF M15 Ulcinj | 2021/09/05 07:30 | Aleksandar Tomas v Felipe Mikkelsen | 2-6,5-7 |
| ITF M15 Frederiksberg | 2021/08/01 08:00 | Felipe Mikkelsen v Jordi Walder | 3-6,6-2,4-10 |
| ITF M15 Vejle | 2021/07/25 11:00 | Felipe Mikkelsen v Elmer Moller | 1-6,6-7 |
| ITF M15 Shymkent | 2021/04/14 05:35 | Felipe Mikkelsen v Damien Wenger | 0-6,0-6 |
| ITF M15 Shymkent | 2021/04/13 06:50 | Alexander Chernomaz v Felipe Mikkelsen | 1-6,3-6 |
| ITF M15 Shymkent | 2021/04/12 03:55 | Felipe Mikkelsen v Ivan Zaytsev | 6-3,6-1 |
| ITF M15 Shymkent | 2021/04/05 04:55 | Jack Gibbens v Felipe Mikkelsen | 6-4,6-4 |
| ITF M25 Lesa | 2021/08/22 07:00 | Leonardo Rossi v Edoardo Zanada | 0-6,3-6 |
| ITF M15 Warmbad-Villach | 2021/08/17 13:00 | Franco Ribero v Leonardo Rossi | 3-6,6-4,10-4 |
| ITF M15 Warmbad-Villach | 2021/08/16 12:30 | Leonardo Rossi v Michalis Sakellaridis | 7-6,6-4 |
| ITF M25 Bolzano | 2021/08/02 07:05 | Augusto Virgili v Leonardo Rossi | 6-4,3-6,10-8 |
| ITF M25 Ajaccio | 2021/07/04 15:30 | Clement Chidekh v Leonardo Rossi | 6-3,6-2 |
| ITF M15 Cairo | 2021/04/25 12:30 | Leonardo Rossi v Olexiy Kolisnyk | 5-7,6-1,2-10 |
| ITF M15 Cairo | 2021/04/19 09:30 | Leonardo Rossi v Benedikt Henning | 6-7,4-6 |
| ITF M15 Cairo | 2021/04/12 08:30 | Jorge Martinez Martinez v Leonardo Rossi | 6-3,6-3 |