| 20/05/18 | Athletic Club B | - | Villarreal CF B | 1:3 | |||||
| 26/05/18 | Villarreal CF B | - | Athletic Club B | 0:2 | |||||
| Segunda | 03/12/22 | Villarreal CF B | - | CD Leganés | 0:0 | ||||
| Segunda | 29/10/23 | CD Leganés | - | Villarreal CF B | 1:0 | ||||
| Segunda | 23/03/24 | Villarreal CF B | - | CD Leganés | 1:2 |
| 20/05/18 | Athletic Club B | - | Villarreal CF B | 1:3 | |||||
| 26/05/18 | Villarreal CF B | - | Athletic Club B | 0:2 | |||||
| Segunda | 03/12/22 | Villarreal CF B | - | CD Leganés | 0:0 | ||||
| Segunda | 29/10/23 | CD Leganés | - | Villarreal CF B | 1:0 | ||||
| Segunda | 23/03/24 | Villarreal CF B | - | CD Leganés | 1:2 |
| Iker Undabarrena Martínez | |
| Born: | 18.05.1995 |
| Place of birth: |
Gorliz, 
Spain |
| Nationality: |
Spain
|
| Height: | 181 cm |
| Weight: | 77 kg |
| Position(s): | Central Midfielder Defensive Midfielder |
| Foot: | right |