It's the 14th-ranked American's third straight major in which he's lost his opener.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
Bratislava
|
1/16 | Evgeny Donskoy |
6-7
2-6 |
| 2018 |
Erste Bank Open, Qualification
|
1/8 | Guido Pella |
6-7
6-2 3-4 |
| 2018 |
Intrum Stockholm Open
|
1/16 | Oscar Otte |
6-3
7-5 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
Taiwan Open
|
1/8 | Yulia Putintseva |
6-3
7-6 |
| 2018 |
Taiwan Open
|
1/16 | Kai-Chen Chang |
5-7
2-6 |
| 2017 |
Prudential Hong Kong Tennis Open
|
1/16 | Qiang Wang |
3-6
0-6 |
| 2017 |
China Open, Qualification
|
1/16 | Magda Linette |
2-6
2-6 |
