Stadium: Clay 3 Round: 25 Ground: Hardcourt outdoor
| ITF Women Heraklion | 2018/10/30 09:10 | Duca, Gabriela v Ania Hertel | 5-7,2-6 |
| ITF Women Sozopol | 2018/10/03 09:10 | Kommer, Franziska v Duca, Gabriela | 3-6,7-5,6-1 |
| ITF Women Dobrich | 2018/09/16 09:00 | Elena-Teodora Cadar v Duca, Gabriela | 4-6,6-4,6-2 |
| ITF Women Varna | 2018/09/12 09:50 | Duca, Gabriela v Amina Anshba | 4-6,6-4,0-6 |
| ITF Women Varna | 2018/09/11 06:30 | Adamescu, Cristina v Duca, Gabriela | 4-6,3-6 |
| ITF Women Szekesfehervar | 2018/09/05 10:30 | Makhorkina, Anna v Duca, Gabriela | 6-4,4-6,6-0 |
| ITF Women Bucharest | 2018/08/21 07:55 | Duca, Gabriela v Vdovenco, Anastasia | 6-3,0-6,6-7 |
| ITF Women Arad | 2018/08/07 08:00 | Novac, Izabela Gabriela v Duca, Gabriela | 7-6,5-7,7-5 |
| ITF Women Heraklion | 2018/11/01 08:00 | Haley Giavara v Oana Gavrila | 7-6,6-4 |
| ITF Women Heraklion | 2018/10/30 11:55 | Jennifer Ruggeri v Oana Gavrila | 4-6,7-6,6-7 |
| ITF Women Sozopol | 2018/10/05 07:00 | Oana Gavrila v Georgia Andreea Craciun | 2-6,0-6 |
| ITF Women Sozopol | 2018/10/04 09:00 | Oana Gavrila v Takunyaci, Doga Selen | 6-3,6-0 |
| ITF Women Sozopol | 2018/10/03 08:20 | Oana Gavrila v Peeva, Stela | 6-3,6-1 |
| ITF Women Hammamet | 2018/05/30 10:40 | Oana Gavrila v Fritsch, Celine | 6-3,7-6 |
| ITF Women Hammamet | 2018/04/27 11:30 | Oana Gavrila v Claudia Hoste Ferrer | 1-6,1-6 |
| ITF Women Hammamet | 2018/04/26 11:55 | Oana Gavrila v Pipa, Shaline-Doreen | 6-2,2-6,7-6 |