Defensive · Birmingham · season-by-season, by competition, and every match.
A career still climbing — Iwata is at his peak right now, and the curve hasn't flattened.
The record covers 6 seasons (2020/21–2025/26) across 4 clubs, including a move abroad — 200 appearances, 14 goals and 7 assists.
His best campaign on record is 2025/26 at Birmingham — Season rating 38, 3 goals and 1 assist in 45 games. 2024/25 was the leap — Season rating up 24 points at Birmingham. Form is on a climb — up 27 Season points across his last 3 full seasons.
Made the jump to a higher division in 2025/26 (Championship) and kept playing — 45 games that season.
| Season | Club | Apps | G | A | Rating | Season |
|---|---|---|---|---|---|---|
| 2025/26 | Birmingham | 45 | 3 | 1 | 49 | 38 |
| 2024/25 | Birmingham | 40 | 6 | 1 | 43 | 35 |
| 2023/24 | Celtic | 19 | 1 | 1 | 38 | 11 |
| 2022/23 | Yokohama F. Marinos | 32 | 2 | 1 | 56 | 32 |
| 2021/22 | Yokohama F. Marinos | 34 | 0 | 1 | 54 | 20 |
| 2020/21 | Oita Trinita | 30 | 2 | 2 | 54 | 37 |
| Competition | Apps | Min | G | A | Rating |
|---|---|---|---|---|---|
| Championship | 45 | 3817 | 3 | 1 | 6.8 |
| League Cup | 1 | 90 | 0 | 0 | 7.3 |
| FA Cup | 1 | 90 | 0 | 0 | 6.3 |
| Date | Competition | Opponent | Res | Status | Min | G | A | Rating |
|---|---|---|---|---|---|---|---|---|
| Feb 1 | Friendlies Clubs | H Atlanta United FC | 0-2 | Not in squad | — | |||
| Feb 8 | Friendlies Clubs | H Chattanooga | 2-3 | Not in squad | — | |||
| Jul 19 | Friendlies Clubs | A Burton Albion | 0-1 | Not in squad | — | |||
| Jul 19 | Friendlies Clubs | A Crewe | 0-4 | Not in squad | — | |||
| Jul 23 | Friendlies Clubs | A Solihull Moors | 1-0 | Not in squad | — | |||
| Jul 26 | Friendlies Clubs | A Port Vale | 2-0 | Not in squad | — | |||
| Jul 26 | Friendlies Clubs | A Northampton | 0-3 | Not in squad | — | |||
| Aug 2 | Friendlies Clubs | H Nottingham Forest | 1-0 | Not in squad | — | |||
| Aug 8 | Championship | H Ipswich | 1-1 | Played | 90 | 7.2 | ||
| Aug 13 | League Cup | H Sheffield Utd | 2-1 | Played | 90 | 7.3 | ||
| Aug 16 | Championship | A Blackburn | 2-1 | Played | 90 | 7.0 | ||
| Aug 23 | Championship | H Oxford United | 1-0 | Played | 90 | 7.2 | ||
| Aug 26 | League Cup | H Port Vale | 0-1 | Not in squad | — | |||
| Aug 29 | Championship | A Leicester | 0-2 | Played | 90 | 6.3 | ||
| Sep 13 | Championship | A Stoke City | 0-1 | Played | 90 | 7.2 | ||
| Sep 20 | Championship | H Swansea | 1-0 | Played | 90 | 6.9 | ||
| Sep 27 | Championship | A Coventry | 0-3 | Played | 77 | 6.3 | ||
| Sep 30 | Championship | H Sheffield Wednesday | 2-2 | Played | 90 | 7.5 | ||
| Oct 3 | Championship | A Wrexham | 1-1 | Played | 90 | 6.7 | ||
| Oct 18 | Championship | H Hull City | 2-3 | Played | 90 | 7.2 | ||
| Oct 21 | Championship | A Preston | 1-0 | Played | 90 | 6.3 | ||
| Oct 25 | Championship | A Bristol City | 0-1 | Played | 90 | 6.7 | ||
| Nov 1 | Championship | H Portsmouth | 4-0 | Played | 89 | 1 | 1 | 9.0 |
| Nov 4 | Championship | H Millwall | 4-0 | Played | 79 | 6.6 | ||
| Nov 8 | Championship | A Middlesbrough | 1-2 | Played | 80 | 6.3 | ||
| Nov 22 | Championship | H Norwich | 4-1 | Played | 87 | 6.3 | ||
| Nov 26 | Championship | A West Brom | 1-1 | Played | 90 | 6.0 | ||
| Dec 1 | Championship | H Watford | 2-1 | Yellow Cards | — | |||
| Dec 6 | Championship | A Southampton | 1-3 | Played | 90 | 6.5 | ||
| Dec 9 | Championship | A QPR | 1-2 | Played | 90 | 7.0 | ||
| Dec 13 | Championship | H Charlton | 1-1 | Played | 90 | 7.3 | ||
| Dec 20 | Championship | A Sheffield Utd | 0-3 | Played | 90 | 6.5 | ||
| Dec 26 | Championship | H Derby | 1-1 | Played | 90 | 7.0 | ||
| Dec 29 | Championship | H Southampton | 1-1 | Played | 90 | 6.7 | ||
| Jan 1 | Championship | A Watford | 0-3 | Played | 90 | 6.0 | ||
| Jan 4 | Championship | H Coventry | 3-2 | Played | 90 | 6.3 | ||
| Jan 10 | FA Cup | A Cambridge United | 3-2 | Played | 90 | 6.3 | ||
| Jan 17 | Championship | A Swansea | 1-1 | Played | 90 | 6.9 | ||
| Jan 20 | Championship | A Sheffield Wednesday | 2-0 | Played | 90 | 7.5 | ||
| Jan 24 | Championship | H Stoke City | 1-1 | Played | 90 | 1 | 7.3 | |
| Jan 31 | Championship | A Oxford United | 2-0 | Played | 65 | 6.5 | ||
| Feb 7 | Championship | H Leicester | 2-1 | Played | 90 | 6.3 | ||
| Feb 10 | Championship | H West Brom | 0-0 | Played | 32 | 6.9 | ||
| Feb 15 | FA Cup | H Leeds | 1-1 | Not in squad | — | |||
| Feb 21 | Championship | A Norwich | 2-1 | Played | 90 | 6.6 | ||
| Feb 25 | Championship | A Millwall | 0-3 | Played | 90 | 6.2 | ||
| Mar 2 | Championship | H Middlesbrough | 1-3 | Played | 90 | 6.3 | ||
| Mar 7 | Championship | A Charlton | 0-1 | Played | 90 | 6.5 | ||
| Mar 11 | Championship | H QPR | 1-0 | Played | 90 | 7.7 | ||
| Mar 14 | Championship | H Sheffield Utd | 1-1 | Played | 90 | 8.2 | ||
| Mar 21 | Championship | A Derby | 0-1 | Played | 90 | 6.6 | ||
| Apr 3 | Championship | H Blackburn | 0-1 | Played | 88 | 7.0 | ||
| Apr 6 | Championship | A Ipswich | 1-2 | Played | 45 | 6.7 | ||
| Apr 12 | Championship | H Wrexham | 2-0 | Played | 85 | 7.2 | ||
| Apr 18 | Championship | A Hull City | 1-1 | Played | 90 | 1 | 7.9 | |
| Apr 22 | Championship | H Preston | 2-1 | Played | 90 | 6.7 | ||
| Apr 25 | Championship | H Bristol City | 2-1 | Played | 30 | 6.9 | ||
| May 2 | Championship | A Portsmouth | 1-1 | Played | 90 | 6.2 |