In order to find out, we created a formula to determine every match's upset magnitude.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2011 |
Roland Garros WTA
France, Paris |
Championship | Roberta Vinci |
6-3
3-6 6-3 |
| 2010 |
Moorilla Hobart International, Qualification
|
Championship | Roberta Vinci |
6-4
6-3 |
| 2008 |
Banka Koper Slovenia Open
Slovenia, Portoroz |
Championship | Roberta Vinci |
1-6
3-6 |
| 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 |
|---|---|---|---|---|
| 2017 |
Internazionali BNL d'Italia, Qualification
|
1/16 | Jelena Ostapenko |
6-2
6-7 6-2 |
| 2016 |
Internazionali BNL d'Italia, Qualification
|
1/16 | Hsieh Su-wei |
6-2
1-6 4-6 |
| 2015 |
US Open, Qualification WTA
|
1/64 | Alexandra Panova |
3-6
3-6 |
