In order to find out, we created a formula to determine every match's upset magnitude.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2017 |
Australian Open WTA
|
1/64 | CoCo Vandeweghe |
6-1
7-6 |
| 2016 |
Wimbledon WTA
England, Wimbledon |
1/16 | CoCo Vandeweghe |
6-3
6-4 |
| 2015 |
ASB Classic
|
1/16 | CoCo Vandeweghe |
7-5
2-6 3-6 |
| 2012 |
Whirlpool Monterrey Open
Mexico, Monterrey |
1/16 | Roberta Vinci |
7-5
7-5 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
MatchPlay 120 Series Women
|
Championship | Alexa Glatch |
6-4
6-3 |
| 2020 |
MatchPlay 120 Series Women
|
Championship | Alexa Glatch |
7-5
6-3 |
| 2020 |
Mexican Open
|
1/16 | Heather Watson |
4-6
6-4 6-4 |
| 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 |
