Market value
—
Centre-Forward Attack
Career snapshot
6
clubs played for
2018
debut season
0.08
goals / match
Sagan Tosu
top club · 40 apps
Career highs
€200k
peak value · 2021
—
top transfer fee
3
best season · 2020
—
int'l / penalties
Born the same day
Shares 2000-04-02 · 6 players total
63Appearances
5Goals
4Assists
3Yellow cards
0Red cards
13Full matches (90′)
| Full name | Kaisei Ishii |
|---|---|
| Name in home country | 石井 快征 |
| Date of birth | 2000-04-02 (26 yrs) |
| Place of birth | ---, Fukuoka, Japan |
| Citizenship |  Japan |
| Position | Attack - Centre-Forward (main: Attack) |
| Foot | right |
| Height | 174.00 m |
| Current club | Yeoju FC |
| Joined | 2025-07-24 |
| Contract expires | — |
| Agent | JAPAN SPORTS ... |
Jul 2025
Transfer: Gimhae FC → Yeoju FC
25/26 · Transfer
Jul 2025
2025 — Gimhae FC, Yeoju FC
7 matches · 0 G · 0 A · across 2 competitions
Mar 2025
Transfer: Ryukyu Okinawa → Gimhae FC
24/25 · Transfer
Jul 2024
2024 — FC Ryukyu
3 matches · 0 G · 0 A · across 1 competition
Jan 2024
Transfer: Yokohama FC → FC Ryukyu
23/24 · Transfer
Jul 2023
2023 — Yokohama FC
1 matches · 0 G · 0 A · across 1 competition
Feb 2023
Transfer: Sagan Tosu → Yokohama FC
22/23 · Transfer
Jan 2023
Transfer: Yokohama FC → Sagan Tosu
22/23 · Return from loan
Oct 2022
Injury: unknown
3 games missed
Jul 2022
Transfer: Sagan Tosu → Yokohama FC
22/23 · Loan
Jul 2022
2022 — Sagan Tosu
3 matches · 0 G · 0 A · across 2 competitions
Jan 2022
Transfer: Ehime FC → Sagan Tosu
21/22 · Return from loan
Jul 2021
2021 — Sagan Tosu, Ehime FC
23 matches · 1 G · 0 A · across 3 competitions
Jun 2021
Transfer: Sagan Tosu → Ehime FC
20/21 · Loan
Jul 2020
2020 — Sagan Tosu
19 matches · 3 G · 3 A · across 2 competitions
Jul 2019
2019 — Sagan Tosu
4 matches · 0 G · 0 A · across 3 competitions
Feb 2019
Transfer: Sagan U18 → Sagan Tosu
18/19 · Transfer
Jul 2018
2018 — Sagan Tosu
3 matches · 1 G · 1 A · across 3 competitions
Jan 1970
Peak market value: €200k
Highest valuation recorded in dataset
Minutes played by club
Gimhae FC
0.0%
Yeoju FC
0.0%
FC Ryukyu
0.0%
Yokohama FC
0.0%
Sagan Tosu
42.4%
Ehime FC
57.6%
| Club | Seasons | First | Last | Matches | Goals | Assists | Minutes |
|---|---|---|---|---|---|---|---|
| Gimhae FC | 1 | 2025 | 2025 | 4 | 0 | 0 | 0 |
| Yeoju FC | 1 | 2025 | 2025 | 3 | 0 | 0 | 0 |
| FC Ryukyu | 1 | 2024 | 2024 | 3 | 0 | 0 | 0 |
| Yokohama FC | 1 | 2023 | 2023 | 1 | 0 | 0 | 0 |
| Sagan Tosu | 5 | 2018 | 2022 | 40 | 4 | 4 | 505 |
| Ehime FC | 1 | 2021 | 2021 | 12 | 1 | 0 | 685 |
Career trajectory — goals, assists & market value
Goals by season
Assists by season
| Season | Competition | Club | Matches | Goals | Assists | YC | RC | Minutes |
|---|---|---|---|---|---|---|---|---|
| 2025 | K3 League | Gimhae FC | 2 | 0 | 0 | 0 | 0 | 0 |
| 2025 | K3 League | Yeoju FC | 3 | 0 | 0 | 1 | 0 | 0 |
| 2025 | Korea Cup | Gimhae FC | 2 | 0 | 0 | 0 | 0 | 0 |
| 2024 | J3 League | FC Ryukyu | 3 | 0 | 0 | 0 | 0 | 0 |
| 2023 | Emperor's Cup | Yokohama FC | 1 | 0 | 0 | 0 | 0 | 0 |
| 2022 | Emperor's Cup | Sagan Tosu | 0 | 0 | 0 | 0 | 0 | 0 |
| 2022 | J. League Cup | Sagan Tosu | 3 | 0 | 0 | 1 | 0 | 0 |
| 2021 | J. League Cup | Sagan Tosu | 6 | 0 | 0 | 0 | 0 | 0 |
| 2021 | J1 League | Sagan Tosu | 5 | 0 | 0 | 0 | 0 | 0 |
| 2021 | J2 League | Ehime FC | 12 | 1 | 0 | 1 | 0 | 685 |
| 2020 | J. League Cup | Sagan Tosu | 1 | 0 | 0 | 0 | 0 | 0 |
| 2020 | J1 League | Sagan Tosu | 18 | 3 | 3 | 0 | 0 | 332 |
| 2019 | Emperor's Cup | Sagan Tosu | 2 | 0 | 0 | 0 | 0 | 0 |
| 2019 | J. League Cup | Sagan Tosu | 1 | 0 | 0 | 0 | 0 | 0 |
| 2019 | J1 League | Sagan Tosu | 1 | 0 | 0 | 0 | 0 | 0 |
| 2018 | Emperor's Cup | Sagan Tosu | 1 | 0 | 0 | 0 | 0 | 0 |
| 2018 | J. League Cup | Sagan Tosu | 2 | 1 | 1 | 0 | 0 | 173 |
| 2018 | J1 League | Sagan Tosu | 0 | 0 | 0 | 0 | 0 | 0 |
| Season | Date | From | To | Type | Market value | Fee |
|---|---|---|---|---|---|---|
| 18/19 | 2019-02-01 | Sagan U18 | Sagan Tosu | Transfer | 50000 | — |
| 20/21 | 2021-06-15 | Sagan Tosu | Ehime FC | Loan | 200000 | — |
| 21/22 | 2022-01-31 | Ehime FC | Sagan Tosu | Return from loan | 175000 | — |
| 22/23 | 2022-07-25 | Sagan Tosu | Yokohama FC | Loan | 150000 | — |
| 22/23 | 2023-01-31 | Yokohama FC | Sagan Tosu | Return from loan | 125000 | — |
| 22/23 | 2023-02-01 | Sagan Tosu | Yokohama FC | Transfer | 125000 | — |
| 23/24 | 2024-01-08 | Yokohama FC | FC Ryukyu | Transfer | 100000 | — |
| 24/25 | 2025-03-02 | Ryukyu Okinawa | Gimhae FC | Transfer | 25000 | — |
| 25/26 | 2025-07-24 | Gimhae FC | Yeoju FC | Transfer | 0 | — |
| Season | Injury | From | To | Days missed | Games missed |
|---|---|---|---|---|---|
| 22/23 | Metatarsal fracture | 2022-10-02 | 2023-01-02 | 93 | 3 |
Current—
Peak€200k
Low—
Δ since start−€50k
| Date | Value |
|---|---|
| Jan 1, 1970 | — |
| Jan 1, 1970 | €25k |
| Jan 1, 1970 | €50k |
| Jan 1, 1970 | €50k |
| Jan 1, 1970 | €125k |
| Jan 1, 1970 | €100k |
| Jan 1, 1970 | €175k |
| Jan 1, 1970 | €150k |
| Jan 1, 1970 | €200k |
| Jan 1, 1970 | €200k |
| Jan 1, 1970 | €50k |
| Jan 1, 1970 | €50k |
| Jan 1, 1970 | €50k |
No national team data.
| Teammate | PPG played with | Joint goals | Minutes |
|---|---|---|---|
| Tomoya Koyamatsu | 1 | 1 | 857 |
| Tatsuya Morita | 1 | 0 | 833 |
| Yohei Takaoka | 1 | 0 | 751 |
| Ayumu Ohata | 1 | 0 | 714 |
| Daichi Hayashi | 1 | 1 | 713 |
| Ryoya Morishita | 1 | 1 | 688 |
| Riki Harakawa | 1 | 0 | 683 |
| Masaya Tashiro | 1 | 0 | 593 |
| Rikiya Motegi | 1 | 0 | 590 |
| Ryunosuke Sagara | 0 | 0 | 580 |
| Yoshiki Fujimoto | 1 | 1 | 551 |
| Takashi Kondo | 1 | 0 | 490 |
| Eduardo | 2 | 0 | 447 |
| Shinya Nakano | 1 | 0 | 390 |
| Yuta Higuchi | 2 | 0 | 0 |
| Teruki Hara | 1 | 0 | 0 |
| Daiki Matsuoka | 1 | 0 | 0 |
Single-season peaks across competitions in this player's career.
Top goalscoring seasons
| Season | Competition | Club | Goals | Matches |
|---|---|---|---|---|
| 2020 | J1 League | Sagan Tosu | 3 | 18 |
| 2018 | J. League Cup | Sagan Tosu | 1 | 2 |
| 2021 | J2 League | Ehime FC | 1 | 12 |
Top assist seasons
| Season | Competition | Club | Assists | Matches |
|---|---|---|---|---|
| 2020 | J1 League | Sagan Tosu | 3 | 18 |
| 2018 | J. League Cup | Sagan Tosu | 1 | 2 |
Every loan spell across this player's career.
| Season | Date | From | To | Type | Fee | Value at transfer |
|---|---|---|---|---|---|---|
| 22/23 | 2023-01-31 | Yokohama FC | Sagan Tosu | Return from loan | — | €125k |
| 22/23 | 2022-07-25 | Sagan Tosu | Yokohama FC | Loan | — | €150k |
| 21/22 | 2022-01-31 | Ehime FC | Sagan Tosu | Return from loan | — | €175k |
| 20/21 | 2021-06-15 | Sagan Tosu | Ehime FC | Loan | — | €200k |
Teams faced most often by Kaisei Ishii's clubs during seasons he played in those competitions (team-level results, not personal head-to-head goals — see disclaimer above).
| Opponent | P | W | D | L | GF | GA | GD | Win % |
|---|---|---|---|---|---|---|---|---|
| Kashima Antlers | 12 | 3 | 3 | 6 | 16 | 22 | -6 | 25% |
| Gamba Osaka | 12 | 3 | 3 | 6 | 13 | 14 | -1 | 25% |
| Shonan Bellmare | 12 | 3 | 4 | 5 | 17 | 20 | -3 | 25% |
| Nagoya Grampus | 12 | 4 | 5 | 3 | 11 | 11 | 0 | 33% |
| FC Tokyo | 12 | 8 | 1 | 3 | 21 | 11 | +10 | 67% |
| Sanfrecce Hiroshima | 12 | 1 | 5 | 6 | 5 | 19 | -14 | 8% |
| Cerezo Osaka | 12 | 3 | 3 | 6 | 13 | 17 | -4 | 25% |
| Vissel Kobe | 12 | 0 | 2 | 10 | 6 | 26 | -20 | 0% |
| Kawasaki Frontale | 12 | 2 | 4 | 6 | 11 | 15 | -4 | 17% |
| Hokkaido Consadole Sapporo | 12 | 4 | 4 | 4 | 19 | 16 | +3 | 33% |
| Urawa Red Diamonds | 12 | 3 | 3 | 6 | 15 | 18 | -3 | 25% |
| Yokohama F. Marinos | 12 | 1 | 5 | 6 | 9 | 20 | -11 | 8% |
Auto-detected milestones based on cumulative career totals.
| Season / Year | Milestone | Date |
|---|---|---|
| 2018 | Senior debut season | |
| 2018 | First senior goal |
Yellow / second-yellow / red cards per season. Only seasons with at least one card are shown.
| Season | Matches | Mins | YC | 2nd YC | RC | Cards / 90′ |
|---|---|---|---|---|---|---|
| 2025 | 7 | 0 | 1 | 0 | 0 | 0 |
| 2022 | 3 | 0 | 1 | 0 | 0 | 0 |
| 2021 | 23 | 685 | 1 | 0 | 0 | 0.13 |
Output by competition
Career goals and assists broken down by tournament.
J1 League
24 apps
3 G
3 A
J. League Cup
13 apps
1 G
1 A
J2 League
12 apps
1 G
0 A
K3 League
5 apps
0 G
0 A
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Frequently asked about Kaisei Ishii
Who is Kaisei Ishii?
Kaisei Ishii is a Japan professional footballer who plays as a centre-forward for Yeoju FC.
How old is Kaisei Ishii?
Kaisei Ishii is 26 years old. He was born on April 2, 2000 in ---, Fukuoka.
What position does Kaisei Ishii play?
Kaisei Ishii plays as a centre-forward (Attack - Centre-Forward).
What club does Kaisei Ishii play for?
Kaisei Ishii currently plays for Yeoju FC.
How many career goals has Kaisei Ishii scored?
Across all senior club competitions in our dataset, Kaisei Ishii has scored 5 goals in 63 appearances.