 Complete the following phrase:  After being promoted to the FIFA list of international referees at the start of 2007, Vad took charge of his first matches in European competition in July 2007. He refereed his first senior international game in October 2008, followed by his first foray into the group stage of the UEFA Europa League a year later. In 201011, he took charge of his first match in the group stage of the UEFA Champions League, and capped the season by being named as the fourth official for the 