Round: 27
| ITF Women Leipzig | 2018/08/17 12:00 | Kolodziejova, Miriam v Haas, Barbara | 2-6,0-6 |
| ITF Women Podgorica | 2018/09/20 08:00 | Haas, Barbara v Lina Gjorcheska | 6-7,6-4,6-2 |
| ITF Women Podgorica | 2018/09/18 08:00 | Haas, Barbara v Mihaela Djakovic | 6-4,6-1 |
| Sofia, Singles W-WITF-BUL-01A | 2018/09/09 08:00 | Haas, Barbara v Katharina Hobgarski | 6-3,6-2 |
| Sofia, Singles W-WITF-BUL-01A | 2018/09/08 08:55 | Basak Eraydin v Haas, Barbara | 4-6,3-6 |
| Sofia, Singles W-WITF-BUL-01A | 2018/09/07 08:25 | Haas, Barbara v Marina Melnikova | 7-6,7-5 |
| Sofia, Singles W-WITF-BUL-01A | 2018/09/06 11:05 | Haas, Barbara v Cristina Dinu | 7-5,6-3 |
| Sofia, Singles W-WITF-BUL-01A | 2018/09/05 07:00 | Haas, Barbara v Marie Benoit | 6-3,7-6 |
| ITF Women Budapest | 2018/08/31 10:00 | Iga Swiatek v Haas, Barbara | 6-2,6-3 |
| ITF Women Podgorica | 2018/09/19 08:00 | Verena Meliss v Kolodziejova, Miriam | 2-6,7-6,4-6 |
| ITF Women Podgorica | 2018/09/17 08:00 | Dea Herdzelas v Kolodziejova, Miriam | 3-6,1-6 |
| Sofia, Singles W-WITF-BUL-01A | 2018/09/06 09:20 | Kolodziejova, Miriam v Pribylova, Anastasia | 3-6,2-6 |
| Sofia, Singles W-WITF-BUL-01A | 2018/09/04 07:30 | Kolodziejova, Miriam v Manon Arcangioli | 6-4,6-1 |
| ITF Women Leipzig | 2018/08/17 12:00 | Kolodziejova, Miriam v Haas, Barbara | 2-6,0-6 |
| ITF Women Leipzig | 2018/08/16 09:00 | Kolodziejova, Miriam v Maria F Herazo Gonzalez | 7-5,6-2 |
| ITF Women Leipzig | 2018/08/15 13:05 | Kilnarova, Monika v Kolodziejova, Miriam | 4-6,1-6 |
| Koksijde, Singles W-WITF-BEL-04A | 2018/08/12 13:00 | Hogenkamp, Richel v Kolodziejova, Miriam | 6-4,6-1 |