On 15 December 2007, he defeated Hoang Sang Nguyen via UD to win the Spanish lightweight title.

On 21 March 2009, fighting out of his native Spain for the first time, he travelled to Ireland and lost a UD against Andrew Murray, with the vacant European Union lightweight title at stake.

[1] In another trip away from home on 6 November 2009, this time to Northern Ireland to fight for the vacant European light-welterweight title, Rasilla was stopped in nine rounds by Paul McCloskey.

[2] On 15 May 2010, Rasilla won the vacant Spanish light-welterweight title by knocking out Juan Zapata in five rounds.

A third attempt to win a major regional championship—the European Union light-welterweight title—ended in a split draw against defending champion Ville Piispanen on 27 November 2010.