Round: 44 Ground: Clay
| ITF - W15 Antalya | 2019/09/16 07:30 | Rittberger, Sabrina v Michalitsch, Alina | 4-6,2-6 |
| Szekesfehervar, Singles W-ITF-HUN-04A | 2019/09/11 09:30 | Rittberger, Sabrina v Malene Helgo | 3-6,3-6 |
| Oldenzaal, Singles W-ITF-NED-03A | 2019/08/13 07:30 | Kareisova, Ludmila v Rittberger, Sabrina | 3-6,6-4,10-5 |
| Sandelfjord, Singles W-ITF-NOR-01A | 2019/07/23 11:05 | Rittberger, Sabrina v Ponomar, Lisa | 1-6,7-5,1-6 |
| Parnu, Singles Qualifying W-ITF-EST-01A | 2019/07/18 11:15 | Fiona Ganz v Rittberger, Sabrina | 6-3,7-6 |
| ITF - W15 Antalya | 2019/05/15 11:00 | Jenny Duerst v Rittberger, Sabrina | 7-6,6-1 |
| ITF - W15 Antalya | 2019/05/09 08:55 | Rittberger, Sabrina v Ying Zhang | 3-6,6-3,5-7 |
| ITF - W15 Antalya | 2019/05/08 07:15 | Rittberger, Sabrina v Makatsaria, Ana | 7-5,6-0 |
| ITF - W15 Antalya | 2019/10/20 07:30 | Gubina, Polina v Stefanie Auer | 7-5,6-1 |
| ITF - W15 Antalya | 2019/10/14 07:00 | Anna Gabric v Gubina, Polina | 6-4,6-2 |
| ITF - W15 Antalya | 2019/10/13 07:00 | Gubina, Polina v Ioana Zvonaru | 7-6,5-7,11-9 |
| Bucha, Singles W-ITF-UKR-02A | 2019/09/04 08:00 | Stepan, Constanze v Gubina, Polina | 6-3,0-6,6-2 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/10/18 07:00 | Emma Raducanu v Gubina, Polina | 6-3,6-4 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/10/17 07:00 | Eva Garkusha v Gubina, Polina | 1-6,7-6,3-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/10/08 08:20 | Gubina, Polina v Negoitescu, Ioana Alexandra | 5-7,1-6 |
| ITF Women Biella Qual | 2018/07/29 08:00 | Aurora Zantedeschi v Gubina, Polina | 6-4,6-1 |