Stadium: Court 4 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Sharm El Sheikh | 2021/10/10 15:00 | Genaro Marzialetti v Lukas Pokorny | 0-6,1-6 |
| ITF M15 Sharm El Sheikh | 2021/10/04 08:00 | Genaro Marzialetti v Yuttana Charoenphon | 1-6,3-6 |
| ITF M15 Sharm El Sheikh | 2021/10/03 08:00 | Genaro Marzialetti v Bryan Aguiar Kuntz | 7-5,6-4 |
| ITF M15 Cairo | 2021/09/28 08:00 | Genaro Marzialetti v Lorenzo Gagliardo | 2-6,1-6 |
| ITF M15 Cairo | 2021/09/27 12:00 | Krittin Koaykul v Genaro Marzialetti | 6-4,3-6,3-10 |
| ITF M15 Sharm El Sheikh | 2021/10/12 07:30 | Alexandros Skorilas v Simonas Zukauskas | 7-6,6-4 |
| ITF M15 Sharm El Sheikh | 2021/10/11 08:30 | Sergis Kyratzis v Simonas Zukauskas | 4-6,4-6 |
| ITF M15 Sharm El Sheikh | 2021/10/10 10:30 | Pavlos Parson v Simonas Zukauskas | 3-6,1-6 |
| ITF M15 Chornomorsk | 2021/08/30 12:30 | Simonas Zukauskas v Federico Campana | 3-6,3-6 |
| 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 |