The defeat means Ajax 's main title contenders PSV Eindhoven , who beat the champions 3-0 in the traditional league curtain-raiser , can go three points clear of their rivals if they beat Groningen on Sunday .
<response> The defeat means <organization>Ajax</organization> 's main title contenders <organization>PSV Eindhoven</organization> , who beat the champions 3-0 in the traditional league curtain-raiser , can go three points clear of their rivals if they beat <organization>Groningen</organization> on Sunday . </response>