Tā wěncāo-shèngquàn, cóngróng de děngdài bǐsài jiéshù.
With victory in his grasp, he waited calmly for the match to end.
Tips
usage
胜券 rarely appears alone. It is almost always part of the idiom 稳操胜券, meaning 'to have victory firmly in one's grasp'. 券 originally referred to a contract or voucher guaranteeing a prize.