In team events, Peptan has represented Romania in the Women's Chess Olympiad, Women's European Team Chess Championship, Women's Chess Balkaniads and Girls' Chess Balkaniads. She has won two individual silver medals at the olympiad, in Moscow 1994 (playing board three) and Calvià 2004 (board two). In the European Club Cup for Women, she played for the victorious team AEM-Luxten Timișoara in 1998.