Stadium: Platz 3 Round: 27
| German Championship Women | 2021/12/10 12:00 | Schunk, Nastasja Mariana v Guth, Mara | 6-3,3-6,2-5 |
| German Championship Women | 2020/12/11 10:30 | Guth, Mara v Schunk, Nastasja Mariana | 1-6,3-6 |
| German Championship Women | 2023/12/06 16:00 | Schunk, Nastasja Mariana v Tessa Johanna Brockmann | 6-3,6-3 |
| German Championship Women | 2023/12/04 13:00 | Schunk, Nastasja Mariana v 멜로스치, 알리시아 | 6-3,6-3 |
| ITF W15 Antalya | 2023/11/17 10:20 | 유시첸코, 발레리야 v Schunk, Nastasja Mariana | 7-5,6-0 |
| ITF W15 Antalya | 2023/11/16 08:50 | Schunk, Nastasja Mariana v Vittoria Modesti | 6-3,1-6,6-1 |
| ITF W15 Antalya | 2023/11/15 13:00 | Dadaciu, Sabina v Schunk, Nastasja Mariana | 0-6,1-6 |
| ITF W15 Antalya | 2023/11/14 11:55 | Rikke De Koning v Schunk, Nastasja Mariana | 2-6,3-6 |
| ITF W15 Antalya | 2023/11/14 06:25 | 물러, 니콜레타 v Schunk, Nastasja Mariana | 2-6,1-6 |
| ITF W15 Antalya | 2023/11/12 07:00 | Schunk, Nastasja Mariana v Iuliia Iudenko | 6-1,6-1 |
| German Championship Women | 2023/12/06 16:00 | Helene Schnack v Guth, Mara | 1-6,2-6 |
| ITF W25 Lousada | 2023/11/30 11:45 | Guth, Mara v Jenny Lim | 6-7,6-2,6-7 |
| ITF W25 Lousada | 2023/11/28 12:15 | Kayla Cross v Guth, Mara | 0-6,3-6 |
| ITF W25 Lousada | 2023/11/21 10:00 | 올리아노브스카야, 발레리야 v Guth, Mara | 6-7,6-1,7-6 |
| ITF W25 Lousada | 2023/11/20 15:10 | Guth, Mara v Celine Simunyu | 6-4,6-0 |
| ITF W40 Heraklion | 2023/11/01 09:55 | Guth, Mara v 자니시제비치, 셀레나 | 7-5,4-6,4-6 |
| ITF W40 Heraklion | 2023/10/30 08:15 | 스타마토바, 줄리아 v Guth, Mara | 1-6,1-6 |
| ITF W25 Heraklion | 2023/10/25 08:30 | 아마리에이, 일린카 달리나 v Guth, Mara | 6-7,6-3,6-2 |