No. 5 seed Alexander Zverev drew Kevin Anderson, a former No. 5, in the first round.
| 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 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2014 |
US Open, Qualification
|
1/16 | Niels Desein |
6-7
3-6 |
| 2014 |
US Open, Qualification
|
1/32 | Oscar Hernandez |
6-3
1-6 6-4 |
| 2014 |
US Open, Qualification
|
1/64 | Oscar Hernandez |
3-6
3-6 |
| 2014 |
Roland Garros, Qualification
|
1/64 | Damir Dzumhur |
1-6
4-6 |
