Record Ranji Trophy champions Mumbai guaranteed themselves a berth in the quarter-finals of the 2017-18 edition of the premier domestic competition after thrashing Tripura by 10 wickets in their Group C clash here on Monday.

Chasing a paltry 63 in their second innings, opener Prithvi Shaw scored a quickfire unbeaten 50 (26 balls, 8 fours) and with a helping hand from Jay Bista (13 off 12 balls), the duo etched a 10-wicket win at the Wankhede Stadium here.