In order to find out, we created a formula to determine every match's upset magnitude.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2013 |
Australian Open WTA
Australia, Victoria, Melbourne |
1/32 | Roberta Vinci |
3-6
2-6 |
| 2010 |
China Open, Qualification
|
Championship | Roberta Vinci |
6-3
6-3 |
| 2010 |
Mutua Madrilena Madrid Open, Qualification
|
Championship | Akgul Amanmuradova |
6-7
3-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2021 |
Dubai Duty Free Tennis Championships, Qualification
|
1/16 | Vera Zvonareva |
1-6
1-6 |
| 2021 |
Qatar Total Open, Qualification
|
1/16 | Yaroslava Shvedova |
6-3
6-0 |
| 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 |
