Results
| M15 Oslo | 01/07 09:00 | - | Karlis Ozolins v Adam Heinonen | 6-2,6-2 | |
| M15 Oslo | 01/06 11:17 | - | Adam Heinonen v Martin Doskocil | 6-2,6-2 | |
| Challenger Porto | 08/24 09:00 | 14 |
[248] Adam Heinonen v
Sannois-Saint-Gratien
[448] 
|
6-7,2-6 | |
| ITF M15 Bastad | 08/21 08:15 | - | Adam Heinonen v Nikola Slavic | 6-2,4-6,6-7 | |
| ITF M25 Gentofte | 07/30 10:17 | - | [227] Adam Heinonen v Aristotelis Thanos [458] | 0-6,6-2,2-6 | |
| ITF M25 Varnamo | 06/11 09:32 | - | Carl Emil Overbeck v Adam Heinonen | 5-7,6-1,6-4 | |
| Challenger Oeiras | 05/11 14:15 | 14 | [238] Adam Heinonen v Eero Vasa [383] | 6-7,6-7 | |
| Challenger Hersonissos | 03/02 13:00 | 14 | Henri Haupt v Adam Heinonen | 7-5,6-1 | |
| ITF M25 Faro | 02/26 10:00 | - |
[304] Adam Heinonen v
Marko Topo
[398] 
|
2-6,0-6 | |
| ITF M25 Faro | 02/24 10:00 | - | [304] Adam Heinonen v Szymon Kielan [276] | 6-4,6-3 | |
| Challenger Glasgow | 02/16 16:25 | 14 | [383] Giles Hussey v Adam Heinonen [315] | 6-2,3-6,6-2 | |
| ITF M25 Nussloch | 01/23 14:04 | - | [400] Justin Engel v Adam Heinonen [369] | 7-6,4-6,6-4 |
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