Ground: Hardcourt indoor
| ATP Newport Qual | 2015/07/11 22:45 | Adrien Bossel v Frederik Nielsen | 6-1,6-3 |
| ITF Greece F4 | 2015/04/14 09:10 | Joe Salisbury v Frederik Nielsen | 7-6,6-4 |
| Challenger St Brieuc | 2015/04/07 14:30 | Frederik Nielsen v Jesse Huta Galung | 3-6,6-7 |
| Davis Cup | 2015/03/08 08:00 | Andrey Kuznetsov v Frederik Nielsen | 7-5,6-3,6-2 |
| Challenger Wroclaw | 2015/02/17 15:25 | Konstantin Kravchuk v Frederik Nielsen | 6-7,6-2,6-3 |
| Challenger Wroclaw Qual | 2015/02/16 11:00 | Mikhail Elgin v Frederik Nielsen | 3-6,6-3,6-7 |
| ITF USA F4 | 2015/01/18 19:00 | Frederik Nielsen v Takanyi Garanganga | 7-6,3-6,4-6 |
| ITF USA F4 | 2015/01/17 19:00 | Frederik Nielsen v Alexander Sarkissian | 3-6,6-4,6-3 |
| ITF Poland F2 | 2015/08/18 13:05 | Kamil Majchrzak v Markus Eriksson | 5-7,3-6 |
| ATP Bastad | 2015/07/20 12:00 | Markus Eriksson v Benoit Paire | 6-7,3-6 |
| Challenger San Benedetto Qual | 2015/07/13 13:00 | Michael Linzer v Markus Eriksson | 6-4,6-2 |
| Challenger Todi Qual | 2015/07/06 17:45 | Stephane Robert v Markus Eriksson | 6-2,6-1 |
| ITF Greece F4 | 2015/04/18 08:30 | Edoardo Eremin v Markus Eriksson | 6-1,6-3 |
| ITF Greece F4 | 2015/04/17 08:00 | Vladyslav Manafov v Markus Eriksson | 7-6,3-6,2-6 |
| ITF Greece F4 | 2015/04/16 07:00 | Fran Zvonimir Zgombic v Markus Eriksson | 7-5,0-6,3-6 |
| ITF Greece F4 | 2015/04/14 08:40 | Hugo Grenier v Markus Eriksson | 2-6,4-6 |