Eleven-time Qatar league champions Al Sadd suffered a surprising 2-1 defeat at the hands of Qatar SC in their second Group A match of the Qatar Stars Cup.

SC opened the scoring after 16 minutes through Marcio Oliveira but four minutes later Al Sadd were level when Leandro Da Silva converted a spot-kick. SC scored the winning goal through Iraqi midfielder Qusai Munir with 18 minutes remaining.

Al Arabi climbed the top of the group standings as they defeated Al Siliya 3-2. Ali Mijbel gave Al Arabi the lead two minutes after the break before Hamad Al Marri levelled for Al Siliya after 66 minutes.

Al Arabi regained their lead through Mohamad Al Mal on 74 minutes but Al Siliya levelled again after 82 minutes through Baro Siddiqi. Al Arabi sealed the win through Mijbel's second of the night late on.

Elsewhere, Umm Salal defeated Al Shamal 2-1 to register their first win of the group stage.