Stadium: Hard Court 5 Round: 44 Ground: Clay
| ITF - W15 Antalya | 2019/10/28 07:00 | Rittberger, Sabrina v Mack, Mia | 1-6,7-5,10-2 |
| ITF - W15 Antalya | 2019/10/23 08:20 | Drazic, Mariana v Rittberger, Sabrina | 6-2,6-2 |
| ITF - W15 Antalya | 2019/10/22 07:00 | Rittberger, Sabrina v Baykan, Ilayda | 6-4,6-2 |
| ITF - W15 Antalya | 2019/10/21 07:00 | Rittberger, Sabrina v Gubina, Polina | 4-6,6-1,10-6 |
| 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 |
| ITF - W15 Antalya | 2019/10/27 07:30 | Rittberger, Annika Chiara v Njoze, Mirabelle | 4-6,6-4,10-8 |
| ITF - W15 Antalya | 2019/10/21 07:00 | Pepelyaeva, Veronika v Rittberger, Annika Chiara | 6-1,6-2 |
| ITF - W15 Antalya | 2019/10/20 09:00 | Petrova, Anastasia v Rittberger, Annika Chiara | 5-7,4-6 |
| Antalya, Singles Qualifying W-ITF-TUR-18A | 2019/05/06 07:00 | Rittberger, Annika Chiara v Paykoc, Deniz | 6-0,3-6,8-10 |
| ITF - W15 Antalya | 2019/05/01 10:45 | Rittberger, Annika Chiara v Anil, Cemre | 6-3,3-6,4-6 |
| ITF - W15 Antalya | 2019/04/30 07:15 | Solomatina, Arina v Rittberger, Annika Chiara | 2-6,3-6 |
| ITF - W15 Antalya | 2019/04/09 09:30 | Milenkovic, Kristina v Rittberger, Annika Chiara | 6-1,6-1 |
| ITF - W15 Antalya | 2019/04/08 07:15 | Rittberger, Annika Chiara v Bugnon, Candela | 6-4,7-5 |