Sean Williams will be unavailable for national selection, with Zimbabwe Cricket confirming that his central contract will not be renewed after the player revealed he has been battling drug addiction and has entered rehabilitation.

Zimbabwe have announced a 16-man squad for the three-match T20I series against Sri Lanka, starting on Wednesday at Harare Sports Club.

Sri Lanka have been docked five per cent of their match fees for maintaining a slow over-rate in the first ODI against Zimbabwe.

Sean Williams heavily impressed on day 2 of the first Test between Zimbabwe and South Africa, at the Queen's Cricket Ground, with a brilliant 136, scoring more than half of his team's first innings total.

Zimbabwe Cricket (ZC) has named a 16-man squad for the upcoming two-match Test series against newly crowned ICC World Test Champions South Africa

Zimbabwe and their veteran batter Sean Williams created Test records on Friday against Afghanistan, who trailed by 491 runs after the second day of the first Test in Bulawayo.

Allah Ghazanfar, 18, bowled his quota of overs unchanged to torment Zimbabwe and picked his second ODI five-wicket haul in just 11 matches.

Zimbabwe v Afghanistan 3rd ODI Highlights: Teenage spinner Allah Ghazanfar took five for 33 as Afghanistan overwhelmed Zimbabwe by eight wickets on Saturday.

However, the biggest turning point of the game came in the 19th over as Bangladesh skipper Shakib Al Hasan registered a direct-hit to send Sean Williams back to the hut.

A fired-up Zimbabwe plan to cause "as much damage" as possible in the Twenty20 World Cup Super 12 after making the grade for the first time, led by a coach who knows what success tastes like.