Argentinian Mayer is the clay tournament's fifth seed.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2016 |
Grand Prix Hassan II
|
Semi Finals | Federico Delbonis |
6-4
6-3 |
| 2015 |
Rome2
|
Quarter Finals | Federico Delbonis |
7-5
6-1 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2019 |
Rio Open
|
1/8 | Albert Ramos-Vinolas |
6-3
5-7 3-6 |
| 2019 |
Rio Open
|
1/16 | Federico Delbonis |
3-6
5-7 |
| 2019 |
Argentina Open
|
1/16 | Jaume Munar |
6-2
2-6 6-1 |
| 2019 |
Cordoba Open
|
Semi Finals | Juan Ignacio Londero |
6-1
6-0 |
| 2019 |
Cordoba Open
|
Quarter Finals | Federico Delbonis |
7-5
6-4 |
| 2019 |
Cordoba Open
|
1/8 | Federico Delbonis |
6-7
6-2 6-2 |
| 2019 |
Cordoba Open
|
1/16 | Federico Delbonis |
4-6
7-6 3-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2017 |
Barcelona Open BancSabadell
|
1/16 | Feliciano Lopez |
2-6
2-6 |
| 2017 |
Barcelona Open BancSabadell
|
1/32 | Albert Montanes |
4-6
4-6 |
| 2017 |
Sophia Antipolis
|
1/16 | Stefano Napolitano |
2-6
1-6 |
| 2017 |
Open 13 Provence, Qualification
|
Quarter Finals | Andrey Rublev |
6-3
6-2 |
| 2017 |
Open 13 Provence, Qualification
|
1/8 | Albert Montanes |
0-6
6-4 6-4 |
