In order to find out, we created a formula to determine every match's upset magnitude.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2017 |
Internazionali BNL d'Italia
|
1/32 | Ekaterina Makarova |
6-2
6-1 |
| 2016 |
AEGON International
England, Eastbourne |
1/16 | Ekaterina Makarova |
4-6
6-4 6-3 |
| 2016 |
Porsche Tennis Grand Prix
|
1/16 | Roberta Vinci |
6-7
6-4 4-6 |
| 2015 |
Australian Open WTA
|
1/32 | Ekaterina Makarova |
2-6
4-6 |
| 2014 |
China Open
|
1/8 | Roberta Vinci |
1-6
6-0 5-7 |
| 2014 |
New Haven Open at Yale
|
1/16 | Ekaterina Makarova |
6-3
6-3 |
| 2014 |
Internazionali BNL d'Italia
|
1/32 | Ekaterina Makarova |
6-2
7-6 |
| 2013 |
Rogers Cup
|
1/16 | Roberta Vinci |
0-6
4-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2019 |
Dubai Duty Free Tennis Championships
|
1/32 | Aliaksandra Sasnovich |
6-0
5-7 4-6 |
| 2019 |
St. Petersburg Ladies Trophy
|
1/16 | Vera Zvonareva |
3-6
4-6 |
| 2019 |
Australian Open WTA
|
1/64 | Katie Boulter |
6-0
4-6 7-6 |
| 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 |
