Stadium: Court 4 Round: 26 Ground: Clay
| ITF M15 Ystad | 2019/08/07 08:15 | Adam Heinonen v Piotr Grynkowski | 2-6,6-3,7-5 |
| ITF M15 Ystad | 2019/08/06 10:05 | Adam Heinonen v Rana-Roop Singh Bhullar | 7-5,6-2 |
| ITF M15 Ystad | 2019/08/05 11:25 | Masi Sarpola v Adam Heinonen | 2-6,7-5,7-10 |
| ITF M15 - Kalmar | 2019/05/14 08:15 | Adil Kalyanpur v Adam Heinonen | 6-4,6-2 |
| ITF M15 - Kalmar | 2019/05/13 08:15 | Adam Heinonen v Robin Thour | 4-6,6-3,10-5 |
| ITF Sweden F3 Qual | 2018/05/20 09:00 | Jonas Trinker v Adam Heinonen | 7-6,6-1 |
| ITF Sweden F2 | 2018/05/14 11:25 | Jonathan Stenberg v Adam Heinonen | 3-6,6-1,6-3 |
| ITF Sweden F2 Qual | 2018/05/13 08:00 | Almir Nokic v Adam Heinonen | 6-3,2-6,3-6 |
| ITF M15 Ystad | 2019/08/07 13:00 | Henrik Heise Korsgaard v Patrik Niklas-Salminen | 4-6,2-6 |
| Challenger - Tampere | 2019/07/25 15:30 | Patrik Niklas-Salminen v Mikael Ymer | 4-6,6-4,3-6 |
| Challenger - Tampere | 2019/07/24 13:00 | Matteo Viola v Patrik Niklas-Salminen | 6-1,4-6,1-6 |
| Challenger - Tampere | 2019/07/23 15:15 | Alessandro Bega v Patrik Niklas-Salminen | 6-4,6-7,6-7 |
| ITF M15 - Vilnius | 2019/07/09 10:30 | Bogdan Bobrov v Patrik Niklas-Salminen | 6-7,6-2,6-2 |
| ITF M25 - Martos | 2019/06/20 13:00 | Eduardo Struvay v Patrik Niklas-Salminen | 7-6,7-6 |
| ITF M25 - Martos | 2019/06/19 18:15 | Jaume Pla Malfeito v Patrik Niklas-Salminen | 6-7,4-6 |
| ITF M25 Gyula | 2019/05/30 13:40 | Patrik Niklas-Salminen v Danylo Kalenichenko | 3-6,1-6 |