No. 5 seed Alexander Zverev drew Kevin Anderson, a former No. 5, in the first round.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2017 |
BGL BNP Paribas Luxembourg Open
|
1/16 | Heather Watson |
2-6
1-6 |
| 2016 |
Miami Open
|
1/16 | Heather Watson |
6-3
5-7 3-6 |
| 2013 |
BGL BNP Paribas Luxembourg Open
|
1/16 | Yanina Wickmayer |
0-6
7-5 2-6 |
| 2012 |
Texas Tennis Open
|
1/16 | Yanina Wickmayer |
3-6
4-6 |
| 2012 |
Bank of the West Classic
|
1/8 | Yanina Wickmayer |
5-7
6-1 6-4 |
| 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 |
|---|---|---|---|---|
| 2020 |
Istanbul Open
|
1/16 | Sara Sorribes Tormo |
3-2
|
| 2020 |
US Open WTA
|
1/64 | Johanna Konta |
6-7
1-6 |
