Koo Eunseok
🚩South Korea assistant referee · 1 competition
Koo Eunseok is a South Korea football assistant referee. They have officiated as assistant referee and AVAR. In total they have 41 tracked match appearances across 1 competition, broken down as 35× AR, 6× AVAR. Most-worked competitions include K League 1. This profile is built from official match-appointment data.
Top Competitions
Season-by-Season Activity
| Season | Total | AR | AVAR |
|---|---|---|---|
| 2026 | 41 | 35 | 6 |
Career Milestones
Career-firsts tracked in our database.
Match Activity
41 matches · 1 yearTop 14% among South Korea officials
Peer Benchmark
Median in South Korea: 18 matches · 1 season
Recent Matches
Most-Officiated Teams
Least-Officiated Teams
Clubs in their current competition, ordered by how seldom this official has worked their matches.
Each number = matches officiated involving that club · 0× = never officiated them
Other officials from South Korea
Career Events
Career events (UEFA courses, awards) will appear here when available.
Season Reports
Rarely Works With
Active officials in K League 1 they have shared fewest matches with.
- 1Song Min-seokReferee · 24 in leagueNever
- 2Lee Dong-junReferee · 20 in leagueNever
- 3Cheon JinhuiAssistant Referee 2 · 16 in leagueNever
- 4Park Byung-jinReferee · 15 in leagueNever
- 5Oh HyeonjinFourth Official · 13 in leagueNever
- 6Hong SeokchanAVAR · 8 in leagueNever
- 7Sung JugyeongAVAR · 6 in leagueNever
- 8Choi GwanghoReferee · 5 in leagueNever
Explore the full officiating network — partnerships, observers, clubs and venues — on the network analysis page.
Top Destinations
- 1Gwangju Worldcup4×
- 2Incheon Football4×
- 3Jeju Worldcup4×
- 4Jeonju Worldcup4×
- 5Pohang Steelyard4×
- 6Daejeon Worldcup2×
- 7Gimcheon2×
- 8Ulsan Munsu Worldcup2×
- 9Sangju Civic1×
- 10Seoul Worldcup1×
Venues Visited(13)
Stadiums Koo Eunseok has officiated at. Filter by competition or season to focus the map.
13 venues · 41 matches
Anyang Stadium5 matches
Bucheon Stadium4 matches
Gangneung Stadium4 matches
Gwangju WorldcupGwangju Worldcup4 matches
Incheon FootballIncheon Football4 matches
Jeju WorldcupJeju Worldcup4 matches
Jeonju WorldcupJeonju Worldcup4 matches
Pohang SteelyardPohang Steelyard4 matches
Daejeon WorldcupDaejeon Worldcup2 matches
GimcheonGimcheon2 matches
Ulsan Munsu WorldcupUlsan Munsu Worldcup2 matches
Sangju CivicSangju Civic1 match
Seoul WorldcupSeoul Worldcup1 match
Frequently Asked Questions
What is Koo Eunseok's primary role?▾
Koo Eunseok is a South Korea football assistant referee, and has also worked as AVAR.
How many matches has Koo Eunseok officiated?▾
Koo Eunseok has 41 tracked match appearances across 1 competition (35× AR, 6× AVAR).
Which competitions does Koo Eunseok work in?▾
Koo Eunseok has most often officiated in K League 1.
Is Koo Eunseok a FIFA referee?▾
Koo Eunseok is not currently recorded as a FIFA badge holder in our data.
Which teams has Koo Eunseok officiated most?▾
Among domestic clubs, Koo Eunseok has most frequently officiated matches involving Pohang Steelers, Gwangju FC and FC Anyang.
Which cities has Koo Eunseok officiated in most?▾
Koo Eunseok has officiated most often in Gwangju Worldcup, Incheon Football, Jeju Worldcup and Jeonju Worldcup, with Anyang Stadium the most-visited stadium.
Organizer reviews
Link to this profile from your website
Federation, club or personal site? Paste this link so visitors can see Koo Eunseok's appointments and statistics.
<a href="https://www.referee.observer/referee/kor/koo-eunseok" title="Koo Eunseok — referee statistics on Referee.Observer">Koo Eunseok — referee profile & stats on Referee.Observer</a>Referee.Observer is built by a community of referees from open, public data sources — so some details may be out of date or wrong.