Nishikori added, "I need many more matches to have confidence and [get] my tennis back."
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2019 |
Blois
|
1/32 | Juan Pablo Varillas |
6-3
6-1 |
| 2017 |
Alphen
|
1/16 | Kamil Majchrzak |
3-6
2-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
Hamburg European Open
|
1/16 | Cristian Garin |
6-0
6-3 |
| 2020 |
Internazionali BNL d'Italia
|
1/32 | Kei Nishikori |
6-4
7-6 |
