Stadium: Court 4 Round: 62 Ground: Clay
| ITF - M25 Caslano | 2021/08/23 14:00 | Lorenzo Favero v Pietro Schiavetti | 7-6,3-6,6-10 |
| ITF - M15 Monastir | 2021/08/15 11:00 | Lorenzo Favero v Adil Kalyanpur | 5-7,1-6 |
| ITF - M15 Monastir | 2021/08/09 08:30 | Lorenzo Favero v Yuta Kawahashi | 1-6,2-6 |
| ITF - M15 Monastir | 2021/08/08 10:30 | Lucas Cotler v Lorenzo Favero | 3-6,1-6 |
| ITF - M15 Monastir | 2021/08/01 12:30 | Aleksandr Lobanov v Lorenzo Favero | 6-4,6-0 |
| ITF - M15 Monastir | 2021/07/26 08:00 | Siddhant Banthia v Lorenzo Favero | 6-0,6-0 |
| ITF - M15 Monastir | 2021/07/18 10:30 | Nicolas Tepmahc v Lorenzo Favero | 6-3,6-1 |
| ITF - M25 Casinalbo | 2021/07/04 08:45 | Piotr Matuszewski v Lorenzo Favero | 6-4,6-4 |
| ITF - M15 Bad Waltersdorf | 2021/08/23 07:00 | Gabriel Decamps v Martin Zeljenka | 6-1,6-1 |
| ITF - M15 Bad Waltersdorf | 2021/08/22 07:00 | Marco De Rosa v Martin Zeljenka | 4-6,5-7 |
| ITF - M15 Warmbad-Villach | 2021/08/17 08:00 | Martin Zeljenka v Gabriel Decamps | 2-6,2-6 |
| ITF - M15 Warmbad-Villach | 2021/08/15 07:00 | Erwin Troebinger v Martin Zeljenka | 5-7,1-6 |
| ITF - M25 Pitesti | 2021/08/02 10:00 | Martin Zeljenka v Vladislav Melnic | 3-6,6-7 |
| ITF - M25 Pitesti | 2021/08/01 13:30 | Martin Zeljenka v Samuil Konov | 6-4,6-4 |
| ITF - M15 Novi Sad | 2021/07/25 07:00 | Martin Zeljenka v Danilo Raicevic | 4-6,4-6 |
| ITF - M25 Kottingbrunn | 2021/07/19 12:25 | Peter Goldsteiner v Martin Zeljenka | 6-4,7-6 |