Gauff edged No. 6 seed Martic in three, while Collins beat world No. 1 Barty, 6-3, 6-4.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
Roland Garros, Qualification ATP
|
1/32 | Renzo Olivo |
6-7
2-6 |
| 2020 |
Prostejov
|
1/16 | Jozef Kovalik |
7-6
6-2 |
| 2020 |
Ostrava
|
1/16 | Lukas Rosol |
2-6
6-4 6-0 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2021 |
Adelaide International
|
1/8 | Coco Gauff |
7-5
3-6 4-6 |
| 2021 |
Adelaide International
|
1/16 | Petra Martic |
4-6
6-0 7-5 |
| 2021 |
Phillip Island Trophy
|
Quarter Finals | Daria Kasatkina |
0-6
4-6 |
| 2021 |
Phillip Island Trophy
|
1/8 | Petra Martic |
6-1
6-3 |
| 2021 |
Phillip Island Trophy
|
1/16 | Petra Martic |
6-2
5-7 6-4 |
