Stadium: Court 1 Round: 54 Ground: Clay
| ITF W25 Stuttgart | 2019/07/01 08:00 | Antonitsch, Mira v Tilbuerger, Jantje | 6-4,6-0 |
| ITF W25 Darmstadt | 2019/06/24 12:00 | Wachaczyk, Julia v Tilbuerger, Jantje | 6-2,6-2 |
| Orlando, Singles Qualifying W-ITF-USA-27A | 2019/06/19 14:20 | Eleana Yu v Tilbuerger, Jantje | 6-2,6-3 |
| Wesley Chapel, Singles Qualifying W-ITF-USA-26A | 2019/06/12 13:00 | Maria Lourdes Carle v Tilbuerger, Jantje | 6-1,6-1 |
| ITF - W15 Héraklion | 2019/05/14 10:00 | Alice Tubello v Tilbuerger, Jantje | 6-2,6-2 |
| ITF - W15 Héraklion | 2019/05/07 10:00 | Draginja Vukovic v Tilbuerger, Jantje | 6-2,6-3 |
| ITF - W15 Antalya | 2019/04/24 11:50 | Tilbuerger, Jantje v Vivien Sandberg | 3-6,5-7 |
| ITF - W15 Antalya | 2019/04/16 09:00 | Tilbuerger, Jantje v Samavati, Sofia Nami | 5-7,0-6 |
| 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 |
| Obidos, Singles Qualifying W-ITF-POR-01A | 2019/05/06 14:50 | Adler, Lou v Anna Klasen | 6-2,7-5 |
| Obidos, Singles Qualifying W-ITF-POR-01A | 2019/05/06 08:00 | Fonte, Maria Ines v Anna Klasen | 3-6,4-6 |