| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2019 | K League 2 | 11 | 360 | 0 | 0 | 0 | — |
| 2021 | K League 2 | 24 | 1550 | 4 | 2 | 0.35 | 7 |
| 2022 | K League 2 | 33 | 1562 | 4 | 3 | 0.4 | 6.78 |
| 2023 | K League 2 | 22 | 1145 | 3 | 1 | 0.31 | 6.69 |
| 2024 | K League 2 | 6 | 303 | 1 | 2 | 0.89 | — |
| 2025 | K League 2 | 16 | 733 | 0 | 1 | 0.12 | 6.5 |
| 2026 | K League 2 | 19 | 657 | 1 | 0 | 0.14 | 6.58 |
Domestic league competitions only (SportMonks sub_type='domestic'); national-team, continental and cup competitions are excluded. Classification resolved by league id against the canonical leagues index. G+A/90 computed from minutes actually played.
Figures computed from the GioScore season-stats database · as of 2026-08-14
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Seongnam | 5 | 2 | 1 | 2 | 0 | 2 | 2 | 0 |
 Chungnam Asan | 5 | 2 | 1 | 2 | 2 | 1 | 0 | 0 |
 Hwaseong | 4 | 1 | 2 | 1 | 0 | 0 | 0 | 0 |
 Gimpo | 4 | 2 | 0 | 2 | 0 | 0 | 0 | 0 |
 Busan I'Park | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
 Ansan Greeners | 3 | 0 | 2 | 1 | 0 | 0 | 0 | 0 |
 Bucheon 1995 | 3 | 0 | 0 | 3 | 0 | 0 | 1 | 0 |
 Anyang | 3 | 0 | 1 | 2 | 1 | 0 | 1 | 0 |
 Seoul E. | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Cheonan City | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 |
 Gimcheon Sangmu | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Daejeon Citizen | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Gyeongnam | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Suwon Bluewings | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
 Gwangju | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 0 |
 Shanghai Port | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Daegu | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Yongin City | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Cheongju | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
Si-heon Lee finished the 2026 K League 2 with 1 goal from 19 appearances (657 minutes), with no assists recorded — 0.14 goal involvements per 90. His average match rating for that season computes to 6.58.
The record shows 7 league seasons for him (2019–2026) across 5 clubs. At his best he averaged 7 in 2021, K League 2; at his worst, 6.5 in 2025. Averaged over his last two rated seasons, he sits 0.28 below his earlier career level.
