Stadium: Court 2 Round: 25 Ground: Clay
| ITF W25 Horb | 2019/07/23 11:30 | Horackova, Gabriela v Anna Klasen | 6-3,4-6,14-16 |
| ITF W25 Horb | 2019/07/22 15:00 | Tilbuerger, Jantje v Anna Klasen | 3-6,7-5,6-10 |
| ITF W60 Versmold | 2019/07/08 11:20 | Amina Anshba v Anna Klasen | 7-6,6-4 |
| ITF W25 Den Haag | 2019/07/01 09:30 | Despina Papamichail v Anna Klasen | 6-0,6-1 |
| ITF W25 Klosters | 2019/06/19 14:45 | Anna Klasen v Julia Grabher | 3-6,2-6 |
| ITF W25 Klosters | 2019/06/17 15:10 | Roemer, Charlotte v Anna Klasen | 3-6,4-6 |
| ITF W25 Klosters | 2019/06/17 09:00 | Gietz, Lea v Anna Klasen | 7-6,1-6,10-12 |
| Kaltenkirchen, Singles Qualifying W-ITF-GER-07A | 2019/06/11 14:00 | Silich, Alina v Anna Klasen | 6-4,6-3 |
| WTA Bucharest | 2019/07/13 07:00 | Patricia Maria Tig v Oana Georgeta Simion | 6-4,6-4 |
| ITF W25 Denain | 2019/07/03 16:25 | Oana Georgeta Simion v Tessah Andrianjafitrimo | 4-6,6-7 |
| Montpellier, Singles W-ITF-FRA-17A | 2019/06/19 16:00 | Irina Ramialison v Oana Georgeta Simion | 6-4,7-5 |
| Kaltenkirchen, Singles Qualifying W-ITF-GER-07A | 2019/06/13 09:30 | Natsumi Kawaguchi v Oana Georgeta Simion | 6-4,6-4 |
| Kaltenkirchen, Singles Qualifying W-ITF-GER-07A | 2019/06/12 08:25 | Prati, Federica v Oana Georgeta Simion | 3-6,3-6 |
| Kaltenkirchen, Singles Qualifying W-ITF-GER-07A | 2019/06/11 17:35 | Dalakishvili, Mariam v Oana Georgeta Simion | 1-6,2-6 |
| Barletta, Singles Qualifying W-ITF-ITA-08A | 2019/05/19 09:00 | Elizabeth Mandlik v Oana Georgeta Simion | 6-0,6-2 |
| Barletta, Singles Qualifying W-ITF-ITA-08A | 2019/05/18 12:00 | Ardidiacono, Frederica v Oana Georgeta Simion | 2-6,6-4,3-6 |