Stadium: Court 2 Round: 25 Ground: Hardcourt indoor
| ITF M15 Ystad | 2024/08/15 08:55 | Christian Sigsgaard v Adam Heinonen | 5-7,6-3,2-6 |
| UTR Pro Copenhagen | 2023/06/02 10:00 | Christian Sigsgaard v Adam Heinonen | 7-6,6-7,6-1 |
| ITF M15 Vaxjo | 2024/09/18 16:55 | Adam Heinonen v Lucas Renard | 2-6,4-6 |
| ITF M15 Ystad | 2024/08/16 10:00 | Louis Wessels v Adam Heinonen | 7-6,6-3 |
| ITF M15 Ystad | 2024/08/15 08:55 | Christian Sigsgaard v Adam Heinonen | 5-7,6-3,2-6 |
| ITF M15 Ystad | 2024/08/14 10:25 | Stijn Paardekooper v Adam Heinonen | 5-7,0-6 |
| ITF M15 Vaasa | 2024/08/07 14:50 | Christopher Bulus v Adam Heinonen | 6-3,6-1 |
| ITF M25 Kramsach | 2024/07/24 12:30 | Adam Heinonen v Syl Gaxherri | 6-1,5-7,4-6 |
| ITF M25 Aarhus | 2024/06/14 09:00 | Adam Heinonen v August Holmgren | 6-7,3-6 |
| ITF M25 Aarhus | 2024/06/13 09:45 | Mark Whitehouse v Adam Heinonen | 6-4,0-6,5-7 |
| ITF M15 Ystad | 2024/08/15 08:55 | Christian Sigsgaard v Adam Heinonen | 5-7,6-3,2-6 |
| ITF M15 Ystad | 2024/08/14 12:05 | Christian Sigsgaard v Leyton Rivera | 6-3,6-1 |
| ITF M15 Alkmaar | 2024/06/28 15:00 | Adrian Oetzbach v Christian Sigsgaard | 6-4,7-6 |
| ITF M15 Alkmaar | 2024/06/27 15:50 | Marc Majdandzic v Christian Sigsgaard | 2-6,6-3,1-6 |
| ITF M15 Alkmaar | 2024/06/26 08:55 | Christian Sigsgaard v Sidane Pontjodikromo | 6-2,6-4 |
| ITF M25 Aarhus | 2024/06/13 17:40 | Christian Sigsgaard v Lucas Gerch | 0-6,2-6 |
| ITF M25 Aarhus | 2024/06/11 08:00 | Jan Simonsson v Christian Sigsgaard | 0-6,0-6 |
| UTR Pro Beograd | 2024/04/13 11:30 | Christian Sigsgaard v Alexandar Balj | 6-0,5-2 |