The 26-year-old said the problem was similar to what she experienced at Wimbledon.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
US Open ATP
|
1/8 | Kei Nishikori |
6-3
6-2 7-5 |
| 2018 |
US Open ATP
|
1/16 | Philipp Kohlschreiber |
6-7
6-4 6-1 6-3 |
| 2018 |
US Open ATP
|
1/32 | Philipp Kohlschreiber |
7-6
3-6 2-6 0-6 |
| 2018 |
US Open ATP
|
1/64 | Philipp Kohlschreiber |
6-7
7-5 4-6 4-6 |
| 2018 |
Western & Southern Open
|
1/32 | Marius Copil |
4-6
2-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
Pan Pacific Open
|
1/16 | Ashleigh Barty |
6-4
3-6 5-7 |
| 2018 |
US Open WTA
|
1/64 | Kirsten Flipkens |
6-3
7-6 |
| 2018 |
Connecticut Open
|
1/16 | Magdalena Rybarikova |
2-6
6-4 2-3 |
