Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Kashima Antlers | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 Consadole Sapporo | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Ulsan Citize | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Omiya Ardija | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 |
 Tokyo Verdy | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Kyoto Sanga | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Gifu | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Daejeon Korail | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Matsumoto Yamaga | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Kataller Toyama | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Zweigen Kanazawa | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Gainare Tottori | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Changwon City | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
 Sagamihara | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Pocheon | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
 Yangpyeong | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Siheung Citizen | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Verspah Oita | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Kochi United | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Jeonbuk Motors II | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
K. Ishii plays as a forward for Yeoju Sejong. Throughout his career, K. Ishii has scored 6 goals and provided 3 assists in 51 appearances across 3 clubs. Among the clubs he has represented — Yeoju Sejong, Ryūkyū, Sagan Tosu — K. Ishii was most prolific at Sagan Tosu, where he scored 4 goals in 36 appearances. K. Ishii stands 174 cm tall, weighs 65 kg.
K. Ishii's professional career spans from 2018 to 2025, a period of roughly 7 seasons over which he has amassed 51 appearances spread across 3 clubs. With 6 goals and 3 assists recorded across that span, his record reflects a sustained contribution at the highest level.
His most productive season in attacking terms came in 19/20 with Sagan Tosu, when he registered 3 goals and 3 assists in 18 matches, playing 997 minutes. That campaign stands out as one of the high points of his output.
In his most recent recorded season (24/25) at Yeoju Sejong, K. Ishii played 6 matches, scoring 1 goals and providing 0 assists.
| Club | Period | Apps | Goals | Assists | Minutes | YC | RC | Rating |
|---|---|---|---|---|---|---|---|---|
| Sagan Tosu | 2017/2018 - 2022/2023 | 36 | 4 | 3 | 1970 | — | — | 6.48 |
| Yeoju Sejong | 2025/2026 - now | 10 | 2 | 0 | 61 | — | — | 6.00 |
| Ryūkyū | 2023/2024 - 2024/2025 | 5 | 0 | 0 | 122 | — | — | — |
| Total | 51 | 6 | 3 | 2153 |
| Season | Club | Apps | Goals | Assists | Minutes | YC | RC | Rating |
|---|---|---|---|---|---|---|---|---|
| 24/25 | Yeoju Sejong | 6 | 1 | — | 0 | 1 | 0 | — |
| 23/24 | Ryūkyū | 4 | 0 | — | 95 | 0 | 0 | — |
| 20/21 | Sagan Tosu | 11 | 0 | — | 584 | 0 | 0 | 6.48 |
| 19/20 | Sagan Tosu | 18 | 3 | — | 997 | 0 | 0 | — |
| 17/18 | Sagan Tosu | 3 | 1 | — | 173 | 0 | 0 | — |
