| German Premier League Women | 2020/08/26 11:20 | Arn, Greta v Eliessa Vanlangendonck | 6-1,6-1 |
| German Premier League Women | 2020/08/25 14:00 | Arn, Greta v Silvia Ambrosio | 6-3,7-6 |
| German Premier League Women | 2020/08/24 10:35 | Arn, Greta v Kathleen Kanev | 6-3,6-3 |
| ITF W25 Macon | 2020/02/27 12:00 | Jessika Ponchet v Arn, Greta | 6-3,6-3 |
| ITF W25 Macon | 2020/02/26 13:30 | Arn, Greta v Ferrando, Cristiana | 6-1,6-4 |
| ITF W25 Macon | 2020/02/24 13:40 | Arn, Greta v Marine Partaud | 6-2,6-3 |
| Cairo, Singles Qualifying W-ITF-EGY-06A | 2020/02/09 13:15 | Faizy, Ritage v Arn, Greta | 1-6,0-6 |
| ITF W60 Andrezieux-Boutheon | 2020/01/27 08:30 | Ekaterine Gorgodze v Arn, Greta | 4-6,6-3,11-9 |
| German Premier League Women | 2020/08/26 15:40 | Ponomar, Lisa v Silvia Ambrosio | 5-7,4-6 |
| German Premier League Women | 2020/08/25 11:50 | Lemoine, Quirine v Ponomar, Lisa | 6-4,6-2 |
| German Premier League Women | 2020/08/24 13:30 | Ponomar, Lisa v Eliessa Vanlangendonck | 1-6,6-1,1-6 |
| German Premier League Women | 2020/08/21 15:30 | Ponomar, Lisa v Eliessa Vanlangendonck | 3-6,6-4,6-7 |
| German Premier League Women | 2020/08/20 12:25 | Ponomar, Lisa v Tayisiya Morderger | 6-3,5-7,3-6 |
| German Premier League Women | 2020/08/19 11:05 | Basak Eraydin v Ponomar, Lisa | 5-7,6-4,6-1 |
| German Premier League Women | 2020/08/18 14:20 | Ponomar, Lisa v Antonia Schmidt | 6-2,6-3 |
| German Premier League Women | 2020/08/17 13:55 | Oana Gavrila v Ponomar, Lisa | 2-6,7-6,6-0 |