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 |
|---|---|---|---|---|
| 2019 |
US Open WTA
|
1/64 | Fiona Ferro |
6-3
6-4 |
| 2019 |
Karlsruhe
|
1/16 | Tereza Martincova |
6-4
7-6 |
| 2019 |
Palermo Ladies Open
|
1/16 | Jil Teichmann |
7-6
7-5 |
