Spain was without world No. 1 Rafael Nadal, who was ruled out due to knee injury.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
US Open ATP
|
1/32 | Jan-Lennard Struff |
2-6
6-4 1-6 6-3 3-6 |
| 2018 |
US Open ATP
|
1/64 | Julien Benneteau |
6-2
6-7 3-6 4-6 |
| 2018 |
Winston-Salem Open
|
1/32 | Matteo Berrettini |
6-3
6-3 |
| 2018 |
Wimbledon ATP
|
1/32 | Frances Tiafoe |
6-4
3-6 4-6 2-6 |
| 2018 |
Wimbledon ATP
|
1/64 | Julien Benneteau |
7-5
7-5 6-3 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
Coupe Banque Nationale
|
1/16 | Ons Jabeur |
6-7
6-3 5-7 |
| 2018 |
US Open WTA
|
1/32 | Ashleigh Barty |
5-7
3-6 |
| 2018 |
US Open WTA
|
1/64 | Lucie Safarova |
4-6
4-6 |
