| Copa Billie Jean King | 06/17 09:00 | - | Malene Helgo v Katarina Marinkovikj | 6-0,6-0 | |
| Copa Billie Jean King | 06/16 09:00 | - | Katarina Marinkovikj v Kristal Dule | 3-6,3-6 | |
| Fed Cup 2018 | 04/20 11:50 | - | Joana Eidukonyte v Katarina Marinkovikj | 6-0,6-1 | |
| Fed Cup 2018 | 04/19 10:55 | - | Katarina Marinkovikj v Anna Soffia Gronholm | 6-4,6-2 | |
| Copa Billie Jean King | 04/17 11:40 | 1 | Katarina Marinkovikj v Ani Amiraghyan | 1-6,3-6 | |
| Fed Cup 2017 | 06/14 08:10 | - | Katarina Marinkovikj v Ons Jabeur | Retired | |
| Copa Billie Jean King | 04/16 08:00 | - | Katarina Marinkovikj v Melanie Stokke | 1-6,1-6 | |
| Copa Billie Jean King | 04/13 08:00 | - | Jennifer Timotin v Katarina Marinkovikj | 6-3,3-6,6-1 |