| Month | Matches | Mins | G | A | G+A | G/M | Rating |
|---|---|---|---|---|---|---|---|
May 2026 | 1 | 90 | 0 | 0 | 0 | 0.00 | 6.94 |
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Yangpyeong | 4 | 1 | 1 | 2 | 0 | 0 | 1 | 0 |
 Daejeon Korail | 3 | 0 | 2 | 1 | 0 | 0 | 0 | 0 |
 Gimhae City | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Changwon City | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Busan Transportation | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Gyeongju HNP | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Pocheon | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Hwaseong | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Siheung Citizen | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Paju Citizen | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Ulsan Citize | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Daegu II | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Mokpo City | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Gangneung City | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Chuncheon | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Jeonbuk Motors II | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Seo Jun-Seong plays as a goalkeeper for Yeoju Sejong. Seo Jun-Seong has made 33 professional appearances. As a goalkeeper, Seo Jun-Seong has accumulated 33 professional appearances, establishing himself as an experienced shot-stopper at the highest level.
