Jean-Baptiste Gobelet ran in two of Biarritz's seven tries as they beat Italian hosts Calivisano in Saturday's Heineken Cup pool one clash.
HEINEKEN CUP Pool One
Calvisano (10) 17:
Tries: Purll, Fraser
Cons: Fraser 2
Biarritz (22) 48:
Tries: Gobelet 2, Milheres, Thion, Betsen, Balan, Lacroix
Cons: Yachvili 4, Dupuy
Christophe Milheres, Thibault Lacroix, Serge Betsen, Petru-Vladimir Balan and Jerome Thion also touched down as the French side went top of their group.
The boot of Dimitri Yachvili added 15 points for Biarritz.
Justin Purll and Gerard Fraser scored tries for Calivisano, who remain bottom after their fourth successive defeat.
Calvisano: Ravazzolo; Nitoglia, Murgier, Pratichetti, Mazzuccato; Fraser, Griffen; De Carli, Moretti, Perugini, Ngauamo, Purll, Mandelli, Elisara, Zaffiri (c).
Replacements: Davo, Intoppa, Bernabo, Candiago, Canavosio, Zanoletti, Mulieri.
Biarritz: Etcheverria; Bidabe, Lacroix, Traille, Gobelet; Peyrelongue, Yachvili; Balan, Gonzalez, Lecouls, Thion, Couzinet, Betsen, Milheres, Lievremont (c).
Replacements: Lealamanua, Ormaechea, Booyse, Malonga, Dupuy, Dambielle, Mazas.
Referee: Hugh Watkins (Wales).