Most In-Form full-backs in K League 1 2026

The most in-form full-backs in K League 1 in 2026, ranked on Field Insider.

Most in-form goalkeepers in K League 1 Most in-form defenders in K League 1 Most in-form midfielders in K League 1 Most in-form attackers in K League 1 Best full-backs in K League 1 Top-scoring full-backs in K League 1

At a glance

Choi Woo-Jin of Jeonbuk Motors is the standout for raw talent across full-backs in K League 1, with a Field Insider Rating of 46.3, and Choi Jun has been the form player this season, grading 26.6, and Kim Young-Bin leads the scoring with 2 goals.

The numbers a scout watches are the year-on-year jumps: Kim Young-Bin has improved his Season rating most, up +11.8 on last season, while Cho Hyun-Taek's scouting Rating has risen fastest, +1.7 over the same span. Those are the players whose trajectory is bending upward fastest.

By our market-value index, Choi Jun of FC Seoul is the most valuable name in this group at 11.5.

Ulsan Hyundai FC · 24/25→25/26

Most improved

Kim Young-Bin+11.8SsN

Jeonbuk Motors · 24/25→25/26

22 players · ranked by best this seasonCustomise →

	Player	Team
1	Choi Jun Full-back	FC Seoul	27	2768.4%	3814.3%
2	Kang Joon-Hyuck Full-back	Gangwon FC	26	2655.8%	4215.8%
3	Kim Young-Bin Full-back	Jeonbuk Motors	35	23124.5%	1327.9%
4	Choi Woo-Jin Full-back	Jeonbuk Motors	22	20	46
5	J. Célestine Full-back	Jeju United FC	29	17140.8%	3059%
6	Yazan Al Arab Full-back	FC Seoul	30	177.3%	254.3%
7	Hong Sung-Wook Full-back	Bucheon FC 1995	24	1514700%	438%
8	Eo Jeong-Won Full-back	Pohang Steelers	27	1514.5%	361.1%
9	Lee Jung-Taek Full-back	Gimcheon Sangmu FC	28	1515.1%	311.3%
10	Kim Ryun-Seong Full-back	Jeju United FC	24	1411.9%	45±0%
11	Kim Moon-Hwan Full-back	Daejeon Citizen	31	1122.6%	201.5%
12	Oh In-Pyo Full-back	FC Seoul	29	10	2711.3%
13	Kim Tae-Hyun Full-back	Jeonbuk Motors	29	1043.9%	270.7%
14	Park Cheol-Woo Full-back	Gimcheon Sangmu FC	28	1038.6%	301%
15	Patrick William Full-back	Bucheon FC 1995	29	911%	259%
16	Lee Yong Full-back	Ulsan Hyundai FC	39	756%	652.5%
17	Caio Marcelo Full-back	FC Seoul	28	735.2%	3122.3%
18	Cho Hyun-Taek Full-back	Ulsan Hyundai FC	25	76.3%	4510.3%
19	Choi Seok-Hyun Full-back	Ulsan Hyundai FC	23	738.3%	4611.8%
20	Wanderson Full-back	Pohang Steelers	37	5444.4%	591.7%
21	Lee Myung-Jae Full-back	Daejeon Citizen	32	551%	1521.6%
22	T. Oude Kotte Full-back	Ulsan Hyundai FC	30	189.9%	2212.9%