Stadium: Court 5 Round: 26 Ground: Hardcourt indoor
| Challenger Helsinki | 2019/11/13 13:45 | Patrik Niklas-Salminen v David Poljak | 6-4,4-6,6-3 |
| ITF Sweden F5 | 2018/10/04 12:00 | Patrik Niklas-Salminen v David Poljak | 6-1,7-6 |
| Challenger Forli | 2021/12/06 13:00 | David Poljak v Lucas Miedler | 7-5,4-6,3-6 |
| ITF M15 Ostrava | 2021/11/26 09:30 | David Poljak v Andrew Paulson | 6-4,6-7,3-6 |
| ITF M15 Ostrava | 2021/11/25 09:00 | David Poljak v Oscar Moraing | 6-2,6-0 |
| ITF M15 Ostrava | 2021/11/24 09:00 | David Poljak v Ondrej Horak | 6-3,3-6,6-3 |
| ITF M15 Opava | 2021/11/21 09:00 | David Poljak v Marvin Moeller | 6-3,7-6 |
| ITF M15 Opava | 2021/11/20 09:00 | David Poljak v Sean Cuenin | 6-4,6-2 |
| ITF M15 Opava | 2021/11/19 09:00 | David Poljak v Andrew Paulson | 6-2,4-6,7-6 |
| ITF M15 Opava | 2021/11/18 11:20 | David Poljak v Ondrej Horak | 6-3,6-3 |
| Challenger Manama | 2021/11/21 09:55 | Vladyslav Orlov v Patrik Niklas-Salminen | 6-1,7-6 |
| Challenger Helsinki | 2021/11/16 16:30 | Joao Sousa v Patrik Niklas-Salminen | 6-3,7-6 |
| Challenger Bratislava | 2021/11/07 13:05 | Zsombor Piros v Patrik Niklas-Salminen | 7-6,6-7,7-6 |
| ITF M15 Torello | 2021/11/05 12:35 | Louis Dussin v Patrik Niklas-Salminen | 6-3,7-6 |
| ITF M15 Torello | 2021/11/04 14:50 | Pedro Rodenas v Patrik Niklas-Salminen | 5-7,6-7 |
| ITF M15 Torello | 2021/11/03 08:55 | Luis Utrilla v Patrik Niklas-Salminen | 2-6,3-6 |
| ITF M15 Parnu | 2021/10/31 09:55 | Patrik Niklas-Salminen v Remy Bertola | 4-6,3-6 |
| ITF M15 Parnu | 2021/10/30 11:05 | Patrik Niklas-Salminen v Stefan Palosi | 7-6,7-6 |