Stadium: Court 3 Round: 54 Ground: Clay
| ITF Women Szekesfehervar | 2018/09/02 08:00 | Justyna Malatinska v Katarina Kostic | 6-2,3-6,6-4 |
| ITF Women Vrnjacka Banja | 2018/08/19 10:00 | Katarina Kostic v Nika Zupancic | 3-6,6-4,2-6 |
| ITF Women Prokuplje | 2018/07/12 08:40 | Katarina Kostic v Barbara Bonic | 0-6,4-6 |
| ITF Women Prokuplje | 2018/07/11 09:00 | Kiara Cvetkovic v Katarina Kostic | 2-6,6-2,2-6 |
| ITF Women Prokuplje Qual | 2018/07/09 07:00 | Costanza Traversi v Katarina Kostic | 4-6,3-6 |
| ITF Women Prokuplje Qual | 2018/06/30 07:00 | Katarina Kostic v Andrijana Stoilkovic | 2-6,2-6 |
| ITF Women Maribor | 2018/06/13 08:00 | Nina Alibalic v Katarina Kostic | 7-5,6-3 |
| ITF Women Maribor Qual | 2018/06/11 08:40 | Katarina Kostic v Emily Morton | 6-2,6-2 |
| ITF W15 Tabarka | 2019/03/06 11:25 | Katsiaryna Skachkova v Szabina Szlavikovics | 6-3,6-4 |
| ITF W15 Tabarka | 2019/03/04 08:00 | Agathe Timsit v Szabina Szlavikovics | 4-6,3-6 |
| ITF W15 Monastir | 2019/02/27 11:45 | Andrea Ka v Szabina Szlavikovics | 7-6,7-6 |
| ITF W15 Monastir | 2019/02/25 13:30 | Emerald Able v Szabina Szlavikovics | 2-6,6-3,7-10 |
| ITF W15 Monastir | 2019/02/25 08:00 | Anna Ustinoff v Szabina Szlavikovics | 3-6,1-6 |
| ITF W15 Monastir | 2019/02/18 09:00 | Natalia Orlova v Szabina Szlavikovics | 6-1,6-2 |
| ITF W15 Monastir | 2019/01/16 10:30 | Szabina Szlavikovics v Ipek Soylu | 1-6,3-6 |
| ITF W15 Monastir | 2019/01/14 13:00 | Shou Na Mu v Szabina Szlavikovics | 4-6,7-6,6-10 |