Stadium: Center Court Round: 46 Ground: Clay
| Qatar F1, Singles | 2017/04/05 12:00 | Nik Razborsek v Eriksson, Markus | 3-6,2-6 |
| Challenger Tampere | 2018/07/21 13:55 | Kristjan Tamm v Nik Razborsek | 6-2,3-6,6-7 |
| Umag, Croatie, Qualifications | 2018/07/15 10:00 | Alexey Vatutin v Nik Razborsek | 6-2,6-3 |
| ITF Italy F14 | 2018/06/16 14:00 | Nik Razborsek v Bellotti, Riccardo | 4-6,3-6 |
| ITF Italy F14 | 2018/06/15 14:30 | Nik Razborsek v Jacopo Berrettini | 6-4,6-4 |
| ITF Italy F14 | 2018/06/14 16:00 | Giovanni Fonio v Nik Razborsek | 6-7,2-6 |
| ITF Italy F14 | 2018/06/13 17:45 | Nik Razborsek v Podzus, Martins | 6-2,6-1 |
| ITF Italy F14 | 2018/06/11 15:15 | Leonardi, Filippo v Nik Razborsek | 6-4,4-6,4-6 |
| ITF Bosnia and Herzegovina F3 | 2018/06/01 13:00 | Elmar Ejupovic v Nik Razborsek | 6-3,6-4 |
| Challenger Tampere | 2018/07/21 13:05 | Rochette, Laurent v Eriksson, Markus | 3-6,3-6 |
| ATP Bastad Qual | 2018/07/15 10:15 | Corentin Moutet v Eriksson, Markus | 0-6,6-4,6-2 |
| Challenger Bastad | 2018/07/10 12:45 | Calvin Hemery v Eriksson, Markus | 6-4,6-1 |
| ITF Germany F5 | 2018/06/29 13:00 | Eriksson, Markus v Bangoura, Sekou | 3-6,2-6 |
| ITF Germany F5 | 2018/06/28 14:15 | Eriksson, Markus v Willems, Johann | 6-3,6-0 |
| ITF Germany F5 | 2018/06/26 10:00 | Eriksson, Markus v Alexis Gautier | 6-4,7-5 |
| Fergana, Uzbekistan | 2018/06/19 06:25 | Eriksson, Markus v Roberto Cid Subervi | 4-6,3-6 |
| Challenger Almaty Qual | 2018/06/09 10:50 | Rubin Statham v Eriksson, Markus | 6-1,6-2 |