Wawrinka was the 2015 French Open champion, and was the runner-up in 2017.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
Bratislava
|
1/8 | Sebastian Ofner |
5-7
4-6 |
| 2018 |
Bratislava
|
1/16 | Guillermo Garcia-Lopez |
7-6
6-4 |
| 2018 |
Eckental
|
1/8 | Gleb Sakharov |
6-4
7-6 |
| 2018 |
Eckental
|
1/16 | Guillermo Garcia-Lopez |
6-7
6-7 |
| year | Event | RND | Winner | Results |
|---|
