Round: 26 Ground: Clay
| ITF Women Hammamet WD | 2018/02/10 12:30 | Niedmers/Siedliska v Kostic/Simic | 7-6,0-6,10-6 |
| ITF Women Hammamet WD | 2018/02/09 11:15 | Curmi/Genovese v Kostic/Simic | 6-1,6-7,5-10 |
| ITF Women Hammamet WD | 2018/02/06 11:30 | Abid/Fendri v Kostic/Simic | 0-6,0-6 |
| ITF Women Hammamet WD | 2018/02/02 14:15 | Forys/Hering v Kostic/Simic | 6-7,1-6 |
| ITF Women Hammamet WD | 2018/02/01 13:20 | Bertoldo/Zmau v Kostic/Simic | 7-5,2-6,5-10 |
| ITF Women Hammamet WD | 2018/01/27 13:05 | Kennel/Marfutina v Kostic/Simic | 6-4,6-3 |
| ITF Women Hammamet WD | 2018/01/26 12:10 | Kostic/Simic v Hsu/Muntean | 7-6,6-3 |
| ITF Women Hammamet WD | 2018/01/25 12:30 | Boualem/Murta v Kostic/Simic | 2-6,1-6 |