After half centuries on the first day by Dion Ebrahim (65) and Stuart Carlisle (58), the innings was pushed along by overnight batsmen Ervine (86) and Tatenda Taibu (59), then Ewing (71) and Streak (68).
Ervine, playing his fourth test, put on 125 for the fifth wicket before Taibu was trapped by Rafique at 258 for five. Ervine then was out, edging Baisya to Hannan Sarkar at second slip to fall just 14 short of a maiden test century. His second half century included 11 boundaries over more than four hours.
After Rafique had Andy Blignaut stumped for 7, Ewing joined Streak and the pair put on 106 for the eighth wicket, taking Zimbabwe past 400.
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