Stadium: Court 4 Round: 25 Ground: Clay
| ITF W15 Antalya | 2021/01/12 09:00 | Valeriya Olyanovskaya v Joanne Zuger | 6-3,1-6,6-3 |
| ITF W15 Antalya | 2021/01/07 09:10 | Aysegul Mert v Joanne Zuger | 1-6,7-5,6-4 |
| ITF W15 Cairo | 2020/12/09 15:10 | Barbora Matusova v Joanne Zuger | 6-7,6-3,6-4 |
| ITF W15 Santarem | 2020/09/16 11:30 | Barbara Gatica v Joanne Zuger | 6-3,2-6,6-2 |
| ITF W25 Figueira Da Foz | 2020/09/07 11:20 | Justina Mikulskyte v Joanne Zuger | 6-4,6-2 |
| ITF W25 Figueira Da Foz | 2020/09/06 12:00 | Ramu Ueda v Joanne Zuger | 1-6,2-6 |
| Swiss Tennis Masters Women | 2020/07/06 15:00 | Svenja Ochsner v Joanne Zuger | 6-7,6-1,6-4 |
| Swiss Tennis Masters Women | 2020/07/03 07:00 | Tess Sugnaux v Joanne Zuger | 2-6,1-6 |
| ITF W25 Yokohama | 2020/03/06 01:00 | Yuriko Lily Miyazaki v Mei Yamaguchi | 6-2,6-3 |
| ITF W25 Yokohama | 2020/03/05 02:00 | Mei Yamaguchi v Momoko Kobori | 5-7,6-1,6-3 |
| ITF W25 Yokohama | 2020/03/04 04:35 | Mei Yamaguchi v Junri Namigata | 6-4,6-4 |
| ITF W25 Yokohama | 2020/03/03 03:20 | Mei Yamaguchi v Ari Matsumoto | 6-1,6-1 |
| ITF W25 Yokohama | 2020/03/03 01:00 | Mei Yamaguchi v Yuka Hosoki | 6-1,6-2 |
| ITF W60 Kyoto | 2020/02/20 04:15 | Mei Yamaguchi v Risa Ushijima | 6-2,6-7,2-6 |
| ITF W60 Kyoto | 2020/02/19 02:15 | Ari Matsumoto v Mei Yamaguchi | 5-7,2-6 |
| ITF W25 Nonthaburi | 2020/01/26 07:00 | Mei Yamaguchi v Marianna Zakarlyuk | 7-5,5-7,7-10 |