Johnson and Sock survived five-set marathon matches on day one.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
Roland Garros ATP
|
1/32 | Sebastian Korda |
6-4
6-4 2-6 6-4 |
| 2020 |
US Open ATP
|
1/64 | Steve Johnson |
6-7
6-3 6-7 6-3 7-6 |
| 2020 |
Western & Southern Open
|
1/8 | Stefanos Tsitsipas |
6-7
6-7 |
| 2020 |
Western & Southern Open
|
1/16 | John Isner |
4-6
7-6 7-6 |
| 2020 |
Western & Southern Open
|
1/32 | John Isner |
7-5
6-4 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
Fed Cup Group 1 - Europe/Africa, Event B Playoff
|
Championship | Magda Linette |
7-5
6-4 |
| 2020 |
Fed Cup Group 1 - Europe/Africa, Event B Pool А
|
Championship | Johanna Larsson |
1-6
0-6 |
| 2020 |
Australian Open WTA
|
1/64 | Paula Badosa Gibert |
6-1
6-0 |
