Estadio: Court 2 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/08/22 07:30 | Lorenzo Gagliardo v Matas Vasiliauskas | 3-6,2-6 |
| ITF M15 Monastir | 2021/08/15 08:30 | Mwendwa Mbithi v Matas Vasiliauskas | 7-5,6-3 |
| ITF M15 Monastir | 2021/08/08 07:30 | Mateo Nicolas Martinez v Matas Vasiliauskas | 6-4,6-3 |
| ITF M15 Monastir | 2021/08/02 07:30 | Joshua Paris v Matas Vasiliauskas | 6-3,6-4 |
| ITF M15 Monastir | 2021/08/01 09:00 | Masood Eisa-Beygi v Matas Vasiliauskas | 0-6,0-6 |
| ITF M15 Monastir | 2021/07/25 08:00 | Egor Novikov v Matas Vasiliauskas | 6-4,6-3 |
| ITF M15 Monastir | 2021/07/18 13:00 | Wissam Abderrahman v Matas Vasiliauskas | 6-3,6-4 |
| ITF M15 Monastir | 2021/07/11 10:00 | Nicolas Hollender v Matas Vasiliauskas | 6-2,6-7,11-9 |
| ITF M15 Monastir | 2021/08/22 07:30 | Shohei Chikami v Daniel Batista | 2-6,3-6 |
| ITF M15 Monastir | 2021/08/17 07:30 | Kyle Seelig v Daniel Batista | 6-3,6-2 |
| ITF M15 Monastir | 2021/08/16 08:30 | Credit Chaiyarin v Daniel Batista | 3-6,5-7 |
| ITF M15 Castelo Branco | 2021/07/30 13:55 | Daniel Batista v Clement Chidekh | 1-6,4-6 |
| ITF M15 Castelo Branco | 2021/07/29 13:15 | Marek Gengel v Daniel Batista | 4-6,6-3,3-6 |
| ITF M15 Castelo Branco | 2021/07/28 08:30 | Daniel Batista v Pietro Mugelli | 6-2,6-3 |
| ITF M25 Idanha-a-Nova | 2021/07/19 11:55 | Daniel Batista v Alejandro Moro Canas | 6-7,3-6 |
| ITF M25 Idanha-a-Nova | 2021/07/18 14:30 | Daniel Batista v Ivan Zaytsev | 6-3,6-4 |