| 11. Round | 29/10/2017 | CD Tudelano | - | Real Unión | 3:0 | ||||
| 14. Round | 12/11/2017 | Real Unión | - | SD Leioa | 1:3 | ||||
| 35. Round | 22/04/2018 | Real Unión | - | SD Gernika | 5:4 |  |
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| 36. Round | 28/04/2018 | CD Mirandés | - | Real Unión | 1:0 | ||||
| 38. Round | 13/05/2018 | Racing Santander | - | Real Unión | 0:2 |
| Patrick Gilmar Sequeira Mejías | |
| Born: | 01.03.1999 |
| Place of birth: |
Puerto Limón, 
Costa Rica |
| Nationality: |
Costa Rica
Spain |
| Height: | 190 cm |
| Weight: | 84 kg |
| Position(s): | Goalkeeper |
| Foot: | right |
