On 16 January, at the European Championship, Udovičić scored in the first game three goals in an 8–5 win against Spain. On 17 January, Udovičić scored two goals against Germany in a very difficult victory for his national team, 13–12. On 19 January, in another difficult game against the defending European champions Croatia, Udovičić finished the match as the top scorer of his team with three goals in a 15–12 win. On 21 January in the fourth match, Udovičić scored two goals for his national team in a routine victory against Romania 14–5. On 23 January, Udovičić scored a goal in the last round of group A, which Serbia lost to Montenegro with 11–7. On 27 January Udovičić scored two goals in a semifinal 12–8 victory over Italy. Vanja Udovičić won the 2012 European Championship on 29 January. He scored two goals in the final against Montenegro which his national team won by 9–8. This was his third gold medal at the European Championships.