The first Test between Sri Lanka and Zimbabwe is evenly poised in Harare.
Sri Lanka, who are trailing by 63 runs, will start day four on 295-4.
Angelo Mathews is unbeaten on 92 runs and giving him company is Dhananjaya de Silva on 42.
Zimbabwe had earlier posted 358 in the first innings.
They are looking for their first-ever Test win against Sri Lanka during the two-match series.