In March 2010, he defeated reigning world champion Domenico Valentino on points (11:8), which set him up for the European Championships in Moscow. There he defeated Rashid Kassem of Denmark (10:2) before overcoming Dimitri Bulenkow of Ukraine (10:2) and then Miklos Varga of Hungary (10:4) which guaranteed Donovan a bronze medal. Finally, he lost semi-final against Albert Selimov from Russia on points.