Taking the series 3-2, the 11th-ranked Zimbabwe team also registered their first series win in the South Asian nation.
Sri Lanka is to deploy game wardens to stop wild elephants straying onto the pitch when Hambantota hosts Zimbabwe for three ODI matches.
Highlights from the 3rd One-Day International (ODI) match between Sri Lanka and England at the Mahinda Rajapaksa International Cricket Stadium, Hambantota on Wednesday.
South Africa piled up their highest total against Sri Lanka of 339-5 thanks to brilliant hundreds from Quinton de Kock (128) and AB de Villiers (108) and then restricted the hosts to 257 in 44.3 overs.
World Twenty20 hosts Sri Lanka are to beef up security after angry fans clashed with baton wielding police in Hambantota where the home side lost a match to South Africa, officials said on Sunday.