Twenty-one of 25 former champions were, had been, or would be ranked in the Top 20.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
Internazionali BNL d'Italia
|
1/32 | Aleksandra Krunic |
2-6
6-0 6-3 |
| 2018 |
Swiss Women's Championship, Qualification
|
1/12 (Special Qual) | Kathinka Von Deichmann |
6-1
6-3 |
| 2018 |
Miami Open, Qualification
|
1/12 (Special Qual) | Viktorija Golubic |
4-6
3-6 |
| 2018 |
Miami Open, Qualification
|
1/24 (Special Qual) | Roberta Vinci |
7-5
1-6 2-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2014 |
US Open, Qualification
|
1/32 | Tatsuma Ito |
6-3
6-2 |
| 2014 |
US Open, Qualification
|
1/64 | Alex Bogomolov Jr. |
2-6
4-6 |
| 2014 |
Aptos
|
1/16 | Juan Ignacio Londero |
6-3
6-1 |
| 2014 |
Vancouver
|
Quarter Finals | Ruben Bemelmans |
6-1
6-3 |
| 2014 |
Vancouver
|
1/8 | Alex Bogomolov Jr. |
3-6
2-6 |
| 2014 |
Vancouver
|
1/16 | Alex Bogomolov Jr. |
3-6
2-6 |
