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The KNVB Cup is a national cup competition held annually in the Netherlands. It is organized by the Royal Dutch Football Association (KNVB) and is open to all professional and amateur football clubs in the country. The competition is played in a single-elimination format, with the winner qualifying for the UEFA Europa League. Martínez won the KNVB Cup with Ajax in 2010, defeating Feyenoord 2-0 in the final.