Round: 54 Ground: Hardcourt indoor
| ITF M15 Helsinki | 2019/08/19 12:15 | Jason Sormunen v Peter Sillanpaa | 1-6,2-6 |
| ITF Finlandia F4 | 2018/11/10 11:35 | Karl Kiur Saar v Jason Sormunen | 6-2,6-4 |
| ITF Estonia F3 | 2018/11/03 11:00 | Jason Sormunen v Martins Rocens | 5-7,4-6 |
| ITF Estonia F2 | 2018/10/27 08:00 | David Quayle v Jason Sormunen | 6-3,6-2 |
| ITF Finlandia F3 | 2018/08/11 07:00 | Roni Rikkonen v Jason Sormunen | 6-2,6-0 |
| ITF Finlandia F2 - Qual. | 2018/08/05 10:25 | Roni Mikael Hietaranta v Jason Sormunen | 6-2,6-2 |
| ITF Finlandia F2 - Qual. | 2018/08/04 10:00 | Jason Sormunen v Ido Zonder | 4-6,6-1,6-4 |
| ITF Finlandia F1 - Qual. | 2018/07/29 07:00 | Ilari Vesanen v Jason Sormunen | 6-1,6-1 |
| ITF M25 Irpin | 2019/08/26 14:10 | Simonas Zukauskas v Alex M Pujolras | 3-6,7-6,5-10 |
| ITF M25 Irpin | 2019/08/26 07:30 | Boris Pokotilov v Simonas Zukauskas | 3-6,2-6 |
| ITF M25 Irpin | 2019/08/25 09:30 | Philipp Sikorski v Simonas Zukauskas | 7-5,1-6,2-10 |
| ITF M15 Helsinki | 2019/08/19 14:45 | Simonas Zukauskas v Mikko Rouvala | 7-5,1-6,6-10 |
| ITF M15 Irpin | 2019/08/12 12:00 | Simonas Zukauskas v Filip Kolasinski | 1-6,1-6 |
| ITF M15 Koszalin | 2019/08/05 08:00 | Filip Ambrozy v Simonas Zukauskas | 1-6,4-6 |
| ITF M15 Parnu | 2019/07/15 13:00 | Martins Rocens v Simonas Zukauskas | 6-3,6-2 |
| ITF M15 Parnu | 2019/07/15 09:00 | Simonas Zukauskas v Igor Shrolik | 6-3,6-1 |