Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Changwon City | 4 | 0 | 3 | 1 | 0 | 0 | 0 | 0 |
 Pocheon | 4 | 3 | 1 | 0 | 2 | 0 | 0 | 0 |
 Ulsan Citize | 4 | 2 | 1 | 1 | 2 | 0 | 0 | 0 |
 Daejeon Korail | 3 | 0 | 3 | 0 | 0 | 0 | 0 | 0 |
 Gimhae City | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Mokpo City | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Siheung Citizen | 3 | 0 | 1 | 2 | 1 | 0 | 0 | 0 |
 Busan Transportation | 2 | 2 | 0 | 0 | 2 | 0 | 0 | 0 |
 Yangpyeong | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Yangju Citizen | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 0 |
 Paju Citizen | 2 | 2 | 0 | 0 | 2 | 0 | 0 | 0 |
 Gimpo | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Yeoju Sejong | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 0 |
 Dangjin Citizen | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Seoul | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Jeonbuk Motors | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
 Gyeongju HNP | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Gangneung City | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Cheonan City | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Hwaseong | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Seong Jeong-Yun plays as a midfielder for Daejeon Korail. Throughout his career, Seong Jeong-Yun has scored 22 goals and provided 1 assists in 78 appearances across 2 clubs. Among the clubs he has represented — Daejeon Korail, Paju Citizen — Seong Jeong-Yun was most prolific at Paju Citizen, where he scored 13 goals in 61 appearances.
