Once again, Pospisil has provided a seeded player with a terrible first-round draw.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2019 |
Western & Southern Open
|
1/32 | Jan-Lennard Struff |
5-7
6-7 |
| 2018 |
Wimbledon ATP
|
1/32 | Jan-Lennard Struff |
7-6
6-3 6-7 6-7 11-13 |
| 2013 |
Sony Open Tennis, Qualification
|
1/24 (Special Qual) | Jan-Lennard Struff |
3-6
3-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2021 |
Antalya Open
|
Quarter Finals | Jeremy Chardy |
4-6
6-2 7-6 |
| 2020 |
Sofia Open
|
1/8 | Vasek Pospisil |
6-3
6-4 |
| 2020 |
Rolex Paris Masters
|
1/16 | Pablo Carreno Busta |
7-6
6-2 |
| 2020 |
Rolex Paris Masters
|
1/32 | Jan-Lennard Struff |
4-6
2-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2021 |
Delray Beach Open
|
1/8 | Roberto Quiroz |
6-2
6-4 |
| 2021 |
Delray Beach Open
|
1/16 | Ivo Karlovic |
6-3
5-7 6-4 |
| 2020 |
bett1Hulks Indoors, Qualification
|
1/8 | Marc Polmans |
1-6
4-6 |
| 2020 |
Roland Garros, Qualification ATP
|
1/32 | Benjamin Bonzi |
6-3
7-6 |
| 2020 |
Roland Garros, Qualification ATP
|
1/64 | Ivo Karlovic |
6-7
4-6 |
