The 2017 US Open champion also lost to Vekic in the first round of Wimbledon.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
St. Petersburg Open
|
1/16 | Lukas Lacko |
2-6
6-4 5-7 |
| 2018 |
St. Petersburg Open, Qualification
|
Quarter Finals | adrian menendez-maceiras |
6-4
2-6 3-6 |
| 2018 |
St. Petersburg Open, Qualification
|
1/8 | Ruben Bemelmans |
6-2
4-6 7-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
Pan Pacific Open
|
1/16 | Donna Vekic |
4-6
4-6 |
| 2018 |
US Open WTA
|
Quarter Finals | Anastasija Sevastova |
2-6
3-6 |
| 2018 |
US Open WTA
|
1/8 | Sloane Stephens |
6-3
6-3 |
| 2018 |
US Open WTA
|
1/16 | Sloane Stephens |
6-3
6-4 |
| 2018 |
US Open WTA
|
1/32 | Sloane Stephens |
4-6
7-5 6-2 |
| 2018 |
US Open WTA
|
1/64 | Sloane Stephens |
6-1
7-5 |
| 2018 |
Western & Southern Open
|
1/8 | Elise Mertens |
7-6
6-2 |
| 2018 |
Western & Southern Open
|
1/16 | Sloane Stephens |
3-6
2-6 |
