Zimbabwe are in a commanding position, heading into day 2 of the second and final Test against Sri Lanka at Harare.
The hosts will resume their first innings on 352-6 on Monday with Regis Chakabva (31 not out) and debutant Tinotenda Mutombodzi (10 not out) at the crease.
Captain Sean Williams had earlier scored 107, while Brendan Taylor (62) and Sikandar Raza (72) struck equally impressive half-centuries.
Sri Lanka currently enjoy a 1-0 lead in the two-match series.