In the on-going Twenty20 World Cup match in Guyana, Sri Lanka have set a victory target of 174 runs for Zimbabwe. Electing to bat, they made 173 for 7 in their twenty overs. Opener Mahela Jayawardene hit a fine 100 off 64 balls. Chasing the target of 174, Zimbabwe were four for no loss in one over, when rain interrupted the play.It is a must-win game for Sri Lanka, as they had lost their opening game against New Zealand on Friday.In another fixture later tonight, hosts West Indies are slated to meet England.