The 38-year-old won the tournament in 2015, but she feels she needs to rest her body.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
US Open ATP
|
Quarter Finals | Novak Djokovic |
6-3
6-4 6-4 |
| 2018 |
US Open ATP
|
1/8 | John Millman |
3-6
7-5 7-6 7-6 |
| 2018 |
US Open ATP
|
1/16 | John Millman |
6-4
4-6 6-1 6-3 |
| 2018 |
US Open ATP
|
1/32 | John Millman |
1-6
6-4 4-6 1-6 |
| 2018 |
Winston-Salem Open
|
1/32 | Taro Daniel |
4-6
6-7 |
| 2018 |
Western & Southern Open, Qualification
|
1/14 (Special Qual) | Tim Smyczek |
5-5
|
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
US Open WTA
|
1/16 | Serena Williams |
6-1
6-2 |
| 2018 |
US Open WTA
|
1/32 | Venus Williams |
4-6
5-7 |
| 2018 |
US Open WTA
|
1/64 | Venus Williams |
3-6
7-5 3-6 |
| 2018 |
Rogers Cup
|
1/8 | Simona Halep |
6-2
6-2 |
| 2018 |
Rogers Cup
|
1/16 | Venus Williams |
6-7
4-6 |
| 2018 |
Rogers Cup
|
1/32 | Venus Williams |
5-7
1-6 |
