Ground: Hardcourt indoor
| ITF Israel F6 | 2016/03/24 10:25 | Amir Weintraub v Frederik Nielsen | 6-3,6-4 |
| ITF Israel F6 | 2016/03/23 10:20 | Dmytro Kamynin v Frederik Nielsen | 3-6,6-4,3-6 |
| ITF Israel F6 | 2016/03/22 11:05 | Corentin Denolly v Frederik Nielsen | 3-6,7-6,2-6 |
| Davis Cup | 2016/03/04 11:55 | George Tsivadze v Frederik Nielsen | 6-7,0-6,1-6 |
| Challenger Wroclaw Qual | 2016/02/14 11:55 | Frederik Nielsen v Mats Moraing | 2-6,4-6 |
| Challenger Wroclaw Qual | 2016/02/13 09:20 | Frederik Nielsen v Jeremy Jahn | 6-4,7-6 |
| Challenger Knoxville | 2015/11/10 16:30 | Frederik Nielsen v James Duckworth | 6-7,4-6 |
| Challenger Charlottesville | 2015/11/05 18:35 | Tommy Paul v Frederik Nielsen | 6-3,6-3 |
| Davis Cup | 2016/03/06 13:05 | Harri Heliovaara v Courtney John Lock | 6-1,6-0 |
| Davis Cup | 2016/03/04 14:25 | Harri Heliovaara v Takanyi Garanganga | 3-6,6-3,4-6,6-4,6-4 |
| ITF Finland F2 | 2015/08/11 14:15 | Harri Heliovaara v Casper Ruud | 6-2,3-6,7-6 |
| ITF Finland F1 | 2015/08/07 09:50 | Harri Heliovaara v Alexander Vasilenko | 5-7,5-7 |
| ITF Finland F1 | 2015/08/05 11:10 | Cristobal Grandon Diaz v Harri Heliovaara | 1-6,2-6 |
| ITF Finland F1 | 2015/08/04 11:50 | Herkko Pollanen v Harri Heliovaara | 1-6,6-2,5-7 |
| Challenger Tampere | 2015/07/23 11:30 | Harri Heliovaara v Jurgen Zopp | 6-7,3-6 |
| Challenger Tampere | 2015/07/21 11:00 | Harri Heliovaara v Frederico Ferreira Silva | 6-3,7-5 |