Stadium: Kvarner 3 Round: 60 Ground: Clay
| ITF Austria F4 | 2017/07/25 07:55 | Ondrej Krstev v Markus Sedletzky | 4-6,6-3,6-1 |
| ITF Croatia F4 Qual | 2017/03/27 09:25 | Andrej Martin v Markus Sedletzky | 6-0,6-0 |
| ITF Austria F8 | 2016/08/31 08:30 | Marcin Gawron v Markus Sedletzky | 6-3,7-5 |
| ITF Austria F8 | 2016/08/30 08:30 | Markus Sedletzky v Petr Hajek | 6-4,4-6,6-3 |
| ITF Spain F29 Qual | 2014/09/28 08:00 | Bogdan Djurdjevic v Markus Sedletzky | 6-1,6-1 |
| ITF Hungary F2 Qual | 2014/06/07 08:00 | David Szintai v Markus Sedletzky | 6-2,3-6,6-3 |
| ITF Croatia F3 | 2018/03/18 08:00 | Flemming Peters v Marko Vujic | 6-4,6-0 |
| ITF Croatia F2 | 2018/03/13 08:00 | Mike Urbanija v Flemming Peters | 6-3,6-0 |
| ITF Croatia F2 | 2018/03/12 12:00 | Andre Biro v Flemming Peters | 7-5,3-6,4-6 |
| ITF Croatia F2 | 2018/03/11 08:00 | Flemming Peters v Roko Savin | 6-3,6-7,6-3 |
| ITF Croatia F2 | 2018/03/10 09:00 | Alberto Orso v Flemming Peters | 3-6,1-6 |
| ITF Croatia F1 | 2018/03/07 11:30 | Julian Onken v Flemming Peters | 6-4,7-5 |
| ITF Spain F4 | 2018/02/03 10:00 | David Jorda Sanchis v Flemming Peters | 3-6,6-3,6-1 |
| ITF Spain F3 | 2018/01/28 11:00 | Flemming Peters v Enrique L Rico | 4-6,3-6 |