Twenty-one of 25 former champions were, had been, or would be ranked in the Top 20.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2011 |
Blumenau
|
Championship | Diego Junqueira |
2-6
3-6 |
| 2011 |
Blumenau
|
Championship | Martin Vassallo Arguello |
6-0
7-5 |
| 2011 |
Pereira
|
Championship | Eduardo Struvay |
6-1
6-7 4-6 |
| 2011 |
Barranquilla
|
Championship | Flavio Cipolla |
7-6
4-6 3-6 |
| 2011 |
Barranquilla
|
Championship | Martin Vassallo Arguello |
1-6
6-7 |
| 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 |
