ɪn tˈuː θˈaʊzənd sˈɪks, pˈoʊpə wˈʌn hɪz sˈɛkənd kənsˈɛkjuːtˌɪv sˈiː fˈoːɹ fˈaɪvhˈʌndɹɪd ˈɛm tˈaɪɾəl æt ðə tˈuː θˈaʊzənd sˈɪks kənˈuː spɹˈɪnt jˌʊɹɹəpˈiən tʃˈæmpiənʃˌɪps ɪn ɹˈætʃɪs, tʃˈɛk ɹᵻpˈʌblɪk.
In 2006, Popa won his second consecutive C-4 500m title at the 2006 Canoe Sprint European Championships in  Račice, Czech Republic.