No. 5 seed Alexander Zverev drew Kevin Anderson, a former No. 5, in the first round.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2021 |
Delray Beach Open
|
1/8 | Roberto Quiroz |
6-2
6-4 |
| 2021 |
Delray Beach Open
|
1/16 | Ivo Karlovic |
6-3
5-7 6-4 |
| 2020 |
bett1Hulks Indoors, Qualification
|
1/8 | Marc Polmans |
1-6
4-6 |
| 2020 |
Roland Garros, Qualification ATP
|
1/32 | Benjamin Bonzi |
6-3
7-6 |
| 2020 |
Roland Garros, Qualification ATP
|
1/64 | Ivo Karlovic |
6-7
4-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
Roland Garros, Qualification WTA
|
1/48 (Special Qual) | Lesley Kerkhove |
4-6
5-7 |
| 2020 |
US Open WTA
|
1/64 | Sofia Kenin |
2-6
2-6 |
