[3] A commanding centre back, Tona's powerful heading ability makes her an important attacking player for her teams.
[5] Tona made her senior debut for the Italy women's national football team in June 2002, in a 6–0 friendly win over Yugoslavia.
[6] She competed at UEFA Women's Euro 2005 in North West England and conceded a penalty kick in the Italians' 4–0 defeat to perennial champions Germany.
[7] At UEFA Women's Euro 2009 in Finland, Tona played in all four games as the Italians reached the quarter-finals.
[8] National coach Antonio Cabrini named Tona in his selection for UEFA Women's Euro 2013 in Sweden,[9] but replaced her with Federica Di Criscio when she was injured on the eve of the tournament.