Stadium: Hard Court Central Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Héraklion | 2021/06/07 06:30 | Vasiliauskas, Matas v Goldenberg, Lior | 7-5,6-4 |
| ITF - M15 Héraklion | 2021/06/06 07:30 | Jimmy Yang v Vasiliauskas, Matas | 1-6,7-5,4-10 |
| ITF - M15 Héraklion | 2021/05/30 09:00 | Vasiliauskas, Matas v Ben Jones | 3-6,2-6 |
| ITF - M15 Héraklion | 2021/05/24 06:30 | Federico Arnaboldi v Vasiliauskas, Matas | 6-3,6-0 |
| ITF - M15 Monastir | 2021/04/19 12:00 | Louis Tessa v Vasiliauskas, Matas | 6-2,6-3 |
| ITF - M15 Monastir | 2021/04/18 11:00 | Vasiliauskas, Matas v Ammar Elamin | 6-4,6-3 |
| ITF - M15 Sharm El Sheikh | 2021/03/29 07:30 | Boyer, Toby D v Vasiliauskas, Matas | 7-5,6-1 |
| ITF - M15 Sharm El Sheikh | 2021/03/28 07:00 | Vasiliauskas, Matas v Sean Hodkin | 6-4,3-6,12-10 |
| ITF - M15 Héraklion | 2021/06/01 08:00 | Runhao Hua v Boyer, Dusty H | 3-6,3-6 |
| ITF - M15 Héraklion | 2021/05/25 06:30 | Runhao Hua v Harry Wendelken | 6-2,6-1 |
| ITF - M15 Héraklion | 2021/05/24 06:30 | Runhao Hua v Avraam, Christos | 6-1,6-1 |
| ITF - M15 Héraklion | 2021/05/23 10:00 | Runhao Hua v Patrick Foley | 6-2,6-2 |
| ITF - M15 Héraklion | 2021/05/18 08:00 | Runhao Hua v Boyer, Dusty H | 6-4,1-6,2-6 |
| ITF - M15 Monastir | 2020/03/11 16:00 | Runhao Hua v Timmermans, Jesse | 6-4,3-6,1-6 |
| ITF - M15 Monastir | 2020/03/03 08:30 | Runhao Hua v Konecny, Michal | 2-6,4-6 |
| ITF - M15 Monastir | 2020/02/27 08:30 | Quentin Folliot v Runhao Hua | 2-6,6-4,6-3 |