Stadium: Center Court Round: 26
| ITF Women Darmstadt | 2017/07/06 10:00 | Raluca Georgiana Serban v Haas, Barbara | 6-4,4-6,3-6 |
| ITF Women Leipzig | 2018/08/14 09:00 | Wachaczyk, Julia v Raluca Georgiana Serban | 6-4,3-6,4-6 |
| Koksijde, Singles W-WITF-BEL-04A | 2018/08/09 08:00 | Lucrezia Stefanini v Raluca Georgiana Serban | 6-2,7-6 |
| Koksijde, Singles W-WITF-BEL-04A | 2018/08/07 11:50 | Barritza, Karen v Raluca Georgiana Serban | 1-6,4-6 |
| ITF Women Stuttgart | 2018/06/29 11:00 | Dalma Galfi v Raluca Georgiana Serban | 6-3,1-6,7-5 |
| ITF Women Stuttgart | 2018/06/28 14:05 | Sarah Rebecca Sekulic v Raluca Georgiana Serban | 5-7,2-6 |
| ITF Women Stuttgart | 2018/06/26 12:40 | Natalija Stevanovic v Raluca Georgiana Serban | 1-6,3-6 |
| ITF Women Madrid | 2018/06/19 08:00 | Raluca Georgiana Serban v Nadia Podoroska | 2-6,0-6 |
| ITF Women Les Franqueses | 2018/05/26 09:30 | Paula Badosa v Raluca Georgiana Serban | 6-4,6-4 |
| ITF Women Leipzig | 2018/08/15 09:00 | Lucrezia Stefanini v Haas, Barbara | 6-7,3-6 |
| ITF Women Hechingen | 2018/08/08 16:00 | Tamara Korpatsch v Haas, Barbara | 2-6,6-1,6-3 |
| ITF Women Bad Saulgau | 2018/08/04 12:00 | Laura Siegemund v Haas, Barbara | 4-6,6-3,6-4 |
| ITF Women Bad Saulgau | 2018/08/03 13:40 | Carolina Alves v Haas, Barbara | 1-6,5-7 |
| ITF Women Bad Saulgau | 2018/08/02 14:35 | Haas, Barbara v Schnyder, Patty | 6-3,4-6,6-4 |
| ITF Women Bad Saulgau | 2018/08/01 12:40 | Emily Seibold v Haas, Barbara | 6-4,1-6,0-6 |
| ITF Women Baja | 2018/07/25 10:00 | Haas, Barbara v Paula Ormaechea | 3-6,2-6 |
| ITF Women Baja | 2018/07/24 12:40 | Haas, Barbara v Pantuckova, Gabriela | 6-4,7-5 |