England won the toss and decided to bat first. After centuries by opening batter Tammy Beaumont and Nat Sciver-Brunt, the visitors declared their first innings closed on 395 for the loss of nine wickets.
Left-arm spinner, Nonkululeko Mlaba, led a South African fight back late in the day and finished with figures of four for 90 in 20 overs.
In reply, the Proteas were on 17 without loss at stumps.
--SABC--