Round: 62 Ground: Clay
| ITF Women Antalya | 2018/03/17 07:00 | Taylah Mielczarek v Katharina Jager | 6-1,6-1 |
| ITF Women Montreux Qual | 2017/08/13 10:30 | Johana Markova v Katharina Jager | 6-0,6-1 |
| ITF Women Aschaffenburg Qual | 2017/07/16 13:00 | Michaela Bayerlova v Katharina Jager | 6-1,6-0 |
| ITF Women Versmold Qual | 2017/07/09 08:00 | Alexa Pirok v Katharina Jager | 6-0,6-0 |
| ITF Women Darmstadt Qual | 2017/07/02 14:30 | Katharina Jager v Julia Kimmelmann | 1-6,0-6 |
| ITF Women Lenzerheide Qual | 2017/06/18 14:50 | Martina Gaemperle v Katharina Jager | 6-3,6-3 |
| ITF Women Petange | 2016/09/10 11:30 | Katharina Jager v Myriam Gheziel | 2-6,2-6 |
| 2018 Fed Cup | 2018/02/06 07:00 | Steffi Carruthers v Sara Azaddoost | 6-1,6-0 |