Wawrinka was the 2015 French Open champion, and was the runner-up in 2017.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2016 |
Sofia Open
|
1/8 | Guillermo Garcia-Lopez |
6-3
6-4 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
VTB Kremlin Cup
|
Quarter Finals | Karen Khachanov |
2-6
6-7 |
| 2018 |
VTB Kremlin Cup
|
1/8 | Mirza Basic | |
| 2018 |
VTB Kremlin Cup
|
1/16 | Mirza Basic |
6-7
2-6 |
| 2018 |
Tashkent
|
Quarter Finals | Kamil Majchrzak |
1-6
4-6 |
| 2018 |
Tashkent
|
1/8 | Mirza Basic |
7-5
7-6 |
| 2018 |
Almaty 2
|
Semi Finals | Nikola Milojevic |
6-3
6-7 3-6 |
| 2018 |
Almaty 2
|
Quarter Finals | Mirza Basic |
5-7
2-4 |
| 2018 |
Almaty 2
|
1/8 | Mirza Basic |
6-7
7-5 4-6 |
| 2018 |
Almaty 2
|
1/16 | Mirza Basic |
3-6
3-6 |
| 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 |
