With an unbeaten 87, Manish Pandey steered Karnataka to a handsome win.
He also breached the 200-run mark for the ninth time in first-class cricket.
Kerala defeated the 2016-17 champions Gujarat comprehensively to make its way into the semi-finals.
Previously, Yuvraj tried to troll Parthiv.
Kerala is playing Gujarat in the quarter-final of the Ranji Trophy 2018-19.
At 40 years of age, Wasim Jaffer registered his 56th first-class century.
Panchal is Gujarat's leading run-scorer in this season's Ranji.
Gujarat will start as favourites against Kerala due to a better all-round squad at their disposal.
Uttar Pradesh will start as the favourites against Saurashtra due to the home advantage.
Patel missed out on the major part of the tournament with international commitments.