Six days after stating he would self-isolate, the German was seen at a restaurant.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
Mexican Open
|
1/16 | Ugo Humbert |
3-6
- |
| 2020 |
Australian Open ATP
|
1/8 | Rafael Nadal |
6-3
3-6 7-6 7-6 |
| 2020 |
Australian Open ATP
|
1/16 | Nick Kyrgios |
6-2
7-6 6-7 6-7 7-6 |
| 2020 |
Australian Open ATP
|
1/32 | Nick Kyrgios |
6-2
6-4 4-6 7-5 |
| 2020 |
Australian Open ATP
|
1/64 | Nick Kyrgios |
6-2
7-6 7-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2015 |
US Open, Qualification WTA
|
1/64 | Mayo Hibi |
6-3
1-6 2-6 |
| 2015 |
Wimbledon WTA
|
1/64 | Urszula Radwanska |
2-6
1-6 |
| 2015 |
Family Circle Cup
|
1/32 | Madison Brengle |
7-6
4-6 2-6 |
