3 games · 2014–2019 · 3 classical · 0 online
Colijn 12 draws0 Sadkowsky
66.7% for Colijn
Openings between them
| A09 | Réti Opening: Advance Variation | 1 | 50.0% |
| A14 | English Opening: Agincourt Defense, Neo-Catalan Declined | 1 | 100.0% |
| B07 | Czech Defense | 1 | 50.0% |
All games
| Sadkowsky, D2177 | 0-1 | Colijn, S2322 | 19th Brasschaat Open 2019 | 2019 |
| Sadkowsky, D2260 | ½-½ | Colijn, S2305 | Brasschaat Open 2016 | 2016 |
| Colijn, S2254 | ½-½ | Sadkowsky, D2248 | Brasschaat Open 2014 | 2014 |