| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2008/2009 | Eerste Divisie | 34 | 3060 | 0 | 0 | 0 | — |
| 2009/2010 | Eerste Divisie | 35 | 3150 | 0 | 0 | 0 | — |
| 2010/2011 | Eerste Divisie | 32 | 2825 | 0 | 0 | 0 | — |
| 2011/2012 | Eerste Divisie | 27 | 2326 | 0 | 0 | 0 | — |
| 2012/2013 | Eredivisie | 26 | 2307 | 0 | 0 | 0 | — |
| 2013/2014 | Eredivisie | 21 | 1890 | 0 | 0 | 0 | — |
| 2014/2015 | Eredivisie | 4 | 360 | 0 | 0 | 0 | — |
| 2015/2016 | Eredivisie | 1 | 90 | 0 | 0 | 0 | — |
| 2017/2018 | Eredivisie | 33 | 2970 | 0 | 0 | 0 | — |
| 2018/2019 | Eredivisie | 7 | 548 | 0 | 0 | 0 | 5.91 |
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.
Cohort: 23 Eredivisie goalkeepers, 2018/2019, min. 450 minutes. Computed by ranking the full league corpus, not taken from any feed.
Figures computed from the GioScore season-stats database · as of 2026-09-02
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 FC Utrecht | 12 | 5 | 3 | 4 | 0 | 0 | 0 | 0 |
 ADO Den Haag | 11 | 6 | 2 | 3 | 0 | 0 | 0 | 0 |
 FC Twente | 10 | 3 | 5 | 2 | 0 | 0 | 1 | 0 |
 Vitesse | 9 | 4 | 1 | 4 | 0 | 0 | 0 | 0 |
 PSV | 9 | 3 | 1 | 5 | 0 | 0 | 2 | 0 |
 Heracles Almelo | 9 | 5 | 3 | 1 | 0 | 0 | 0 | 0 |
 Feyenoord | 8 | 3 | 3 | 2 | 0 | 0 | 0 | 0 |
 NAC Breda | 8 | 4 | 2 | 2 | 0 | 0 | 0 | 0 |
 Willem II | 8 | 5 | 0 | 3 | 0 | 0 | 0 | 0 |
 Excelsior | 8 | 6 | 2 | 0 | 0 | 0 | 0 | 0 |
 Ajax | 7 | 0 | 1 | 6 | 0 | 0 | 0 | 0 |
 NEC Nijmegen | 6 | 4 | 2 | 0 | 0 | 0 | 0 | 0 |
 PEC Zwolle | 5 | 3 | 2 | 0 | 0 | 0 | 0 | 0 |
 Roda JC Kerkrade | 5 | 4 | 0 | 1 | 0 | 0 | 0 | 0 |
 Legia Warszawa | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 |
 Go Ahead Eagles | 4 | 3 | 0 | 1 | 0 | 0 | 0 | 0 |
 RKC Waalwijk | 4 | 1 | 3 | 0 | 0 | 0 | 1 | 0 |
 SC Cambuur | 4 | 3 | 0 | 1 | 0 | 0 | 0 | 0 |
 FC Dordrecht | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Sparta Rotterdam | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
Diederik Boer featured 7 times in the 2018/2019 Eredivisie (548 minutes). Per-match rating over that season: 5.91. Measured against the 23 Eredivisie goalkeepers who played 450+ minutes in 2018/2019, he ranked in the 4th percentile by match rating.
The database holds 10 league seasons for him, between 2008 and 2018 across 2 clubs.
