Kvitova won a fifth straight match in Stuttgart dating back to 2019.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2021 |
Porsche Tennis Grand Prix
|
1/16 | Petra Kvitova |
4-6
3-6 |
| 2021 |
Volvo Car Open
|
1/8 | Danka Kovinic |
6-4
6-1 |
| 2021 |
Volvo Car Open
|
1/16 | Petra Kvitova |
6-7
2-6 |
| 2021 |
Miami Open
|
1/8 | Elina Svitolina |
6-2
5-7 5-7 |
| 2021 |
Miami Open
|
1/16 | Petra Kvitova |
6-1
6-2 |
| 2021 |
Miami Open
|
1/32 | Petra Kvitova |
6-0
6-4 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2021 |
Tallahassee
|
1/16 | Ryan Harrison |
2-6
6-3 6-3 |
| 2021 |
Cleveland
|
1/16 | Donald Young |
6-3
6-7 7-5 |
| 2021 |
Delray Beach Open
|
1/16 | Frances Tiafoe |
6-3
6-4 |
