No. 5 seed Alexander Zverev drew Kevin Anderson, a former No. 5, in the first round.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2009 |
Unicef Open
|
Championship | Yanina Wickmayer |
1-6
1-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2014 |
BGL BNP Paribas Luxembourg Open, Qualification
|
1/8 | Lucie Hradecka |
6-4
6-4 |
| 2014 |
BGL BNP Paribas Luxembourg Open, Qualification
|
1/16 | Kristina Barrois |
2-6
6-3 6-0 |
| 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 |
