Stadium: Court 2 Round: 14 Ground: Hardcourt outdoor
| ITF W100 Contrexeville | 2021/07/05 15:30 | Zimmermann, Kimberley v Margaux Rouvroy | 7-6,6-7,3-10 |
| ITF W100 Contrexeville | 2021/07/04 14:30 | Zimmermann, Kimberley v Mina Hodzic | 6-4,6-3 |
| WTA Bad Homburg | 2021/06/20 10:30 | Hatouka, Yuliya v Zimmermann, Kimberley | 6-3,6-3 |
| ITF W60 Stare Splavy | 2021/06/16 10:05 | Talaba, Gabriela v Zimmermann, Kimberley | 6-2,6-3 |
| ITF W60 Stare Splavy | 2021/06/15 09:00 | Linda Klimovicova v Zimmermann, Kimberley | 4-6,2-6 |
| ITF W60 Stare Splavy | 2021/06/14 13:15 | Nika Radisic v Zimmermann, Kimberley | 6-4,4-6,8-10 |
| ITF W60 Saint-Gaudens | 2021/05/13 08:30 | Kucova, Kristina v Zimmermann, Kimberley | 6-2,6-4 |
| ITF W60 Saint-Gaudens | 2021/05/12 09:10 | Elsa Jacquemot v Zimmermann, Kimberley | 5-7,3-6 |
| WTA Chicago | 2021/08/19 20:00 | Clara Tauson v Hailey Baptiste | 6-2,3-6,6-3 |
| WTA Chicago | 2021/08/17 16:00 | Hailey Baptiste v Kovinic, Danka | 6-3,6-4 |
| WTA Berlin | 2021/06/13 09:00 | Priscilla Hon v Hailey Baptiste | 3-6,5-7 |
| WTA Berlin | 2021/06/12 09:00 | Hailey Baptiste v Cristian, Jaqueline Adina | 6-3,6-1 |
| French Open Women | 2021/06/03 09:00 | Sofia Kenin v Hailey Baptiste | 7-5,6-3 |
| French Open Women | 2021/05/31 11:25 | Hailey Baptiste v Anna Blinkova | 6-1,6-4 |
| French Open Women | 2021/05/28 08:30 | Julia Grabher v Hailey Baptiste | 6-3,5-7,3-6 |
| French Open Women | 2021/05/26 16:25 | Hailey Baptiste v Claire Liu | 6-3,6-3 |