Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF W15 Antalya | 2019/02/11 07:00 | Eliessa Vanlangendonck v Marie Mettraux | 6-3,6-4 |
| Swiss Tennis Masters Women | 2020/07/04 07:00 | Valentina Ryser v Marie Mettraux | 6-2,6-2 |
| Swiss Tennis Masters Women | 2020/07/01 07:00 | Marie Mettraux v Tina Nadine Smith | 0-6,4-6 |
| ITF W15 Cancun | 2020/03/09 14:00 | Marie Mettraux v Zoe Hitt | 3-6,2-6 |
| ITF W15 Cancun | 2020/02/18 15:45 | Joanne Zuger v Marie Mettraux | 7-6,6-2 |
| ITF W15 Cancun | 2020/02/10 15:00 | Marie Mettraux v Silvia Ambrosio | 3-6,2-6 |
| ITF W15 Cancun | 2020/02/09 19:00 | Marie Mettraux v Lola Mireille Glantz | 4-6,7-5,10-1 |
| ITF W15 Monastir | 2019/12/03 08:30 | Marie Mettraux v Yuriko Lily Miyazaki | 1-6,1-6 |
| ITF W15 Monastir | 2019/11/26 11:00 | Aline Thommen v Marie Mettraux | 6-1,6-4 |
| ITF W15 Monastir | 2020/10/08 11:35 | Anna Ukolova v Eliessa Vanlangendonck | 5-7,6-4,6-3 |
| German Masters Women | 2020/08/28 09:10 | Eliessa Vanlangendonck v Katharina Tesar | 6-3,6-3 |
| German Masters Women | 2020/08/27 15:50 | Quirine Lemoine v Eliessa Vanlangendonck | 6-0,6-4 |
| German Premier League Women | 2020/08/27 14:00 | Quirine Lemoine v Eliessa Vanlangendonck | 6-0,6-4 |
| German Premier League Women | 2020/08/26 11:20 | Greta Arn v Eliessa Vanlangendonck | 6-1,6-1 |
| German Premier League Women | 2020/08/25 13:00 | Eliessa Vanlangendonck v Kathleen Kanev | 6-7,0-6 |
| German Premier League Women | 2020/08/24 13:30 | Lisa Ponomar v Eliessa Vanlangendonck | 1-6,6-1,1-6 |
| German Premier League Women | 2020/08/21 15:30 | Lisa Ponomar v Eliessa Vanlangendonck | 3-6,6-4,6-7 |