Alexander Zverev regrouped with Jan-Lennard Struff to top Novak Djokovic and Nikola Cacic.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2021 |
Rotterdam Open
|
1/16 | David Goffin |
6-4
6-0 |
| 2021 |
Open Sud de France
|
1/16 | Peter Gojowczyk |
6-3
6-4 |
| 2021 |
Australian Open ATP
|
1/64 | Christopher O'connell |
7-6
7-6 6-1 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2021 |
Dubai Duty Free Tennis Championships, Qualification
|
1/16 | Vera Zvonareva |
1-6
1-6 |
| 2021 |
Qatar Total Open, Qualification
|
1/16 | Yaroslava Shvedova |
6-3
6-0 |
