Pohang Steelers U15 (포항제철중학교, 2020-2021),
Chungnam Asan U15 (충남아산FC U15, 2022),
Chungnam Asan U18 (충남아산FC U18, 2023-)
#5 Hyun-seok Oh
- Date of birth/Age: Jul 10, 2007 (16)
- Citizenship: Korea, South
- Height: 1,85 m
- Position: Defender
- Agent: Is known - player U18