stadio: Court 1 Round: 44 Ground: Clay
| ITF M15 Chornomorsk | 2021/08/30 07:00 | Simonas Zukauskas v Kaya Arinc | 6-4,6-2 |
| ITF M15 Oldenzaal | 2021/08/15 10:15 | Simonas Zukauskas v Lewie Lane | 3-6,2-6 |
| ITF M15 Gdynia | 2021/08/09 10:30 | Petr Hajek v Simonas Zukauskas | 6-0,6-1 |
| ITF M15 Gdynia | 2021/08/08 08:00 | Martins Rocens v Simonas Zukauskas | 6-4,5-7,8-10 |
| ITF M25 Breslavia | 2021/06/27 11:00 | Moritz Trocker v Simonas Zukauskas | 6-4,6-0 |
| ITF M15 Kouvola | 2021/05/27 11:25 | Luca Castelnuovo v Simonas Zukauskas | 6-1,6-3 |
| ITF M15 Kouvola | 2021/05/26 17:00 | August Ehrnrooth v Simonas Zukauskas | 6-7,6-4,6-7 |
| ITF M15 Kouvola | 2021/05/25 10:25 | Simonas Zukauskas v Leevi Saatela | 1-6,6-3,11-9 |
| ITF M15 Chornomorsk | 2021/08/29 09:30 | Danylo Veremeychuk v Federico Campana | 3-6,4-6 |
| ITF M15 Pescara | 2021/08/16 13:00 | Federico Campana v Fausto Tabacco | 6-3,4-6,0-10 |
| ITF M15 Pescara | 2021/08/16 07:30 | Pietro Pampanin v Federico Campana | 6-7,6-7 |
| ITF M15 Cairo | 2021/08/02 09:30 | Tommaso Roggero v Federico Campana | 6-4,7-6 |
| ITF M15 Cairo | 2021/07/26 08:00 | Mathys Erhard v Federico Campana | 6-1,6-4 |
| ITF M15 Cairo | 2021/07/25 07:00 | Federico Campana v Anwar Elkamony | 6-2,6-2 |
| ITF M15 Perugia | 2021/07/19 09:00 | Alessandro Pecci v Federico Campana | 6-3,7-6 |
| ITF M15 Perugia | 2021/07/18 10:30 | Alessandro Procopio v Federico Campana | 2-6,6-7 |