Delano Potgieter scored 155 to help the Lions set a 308-run target for WP on Day 4 of the 4-Day Series Final.
The Lions started day 4 on 282-8 with a lead of 195.
Highest 9th wicket partnership this season in the 4-Day Series between Delano Potgieter and Codi Yusuf frustrated WP. They put on 118 runs.
An extra 30 was put on between Potgieter and Malusi Siboto to pile more misery on WP as they went into a 300-run lead.
Delano Potgieter scored 155 not out to help steer the lions to 394 all out and a lead of 307.
The Lions took three wickets through Bjorn Fortuin (2 wickets) and Malusi Siboto, to rattle WP in their chase They managed to score 98-3 before lightening and bad light stopped play.
Tony de Zorzi was on 38 not out and Kyle Verreynne 26 not out.