With sights firmly set on a hat-trick of titles, defending champions Chennai Super Kings open their campaign against last year's Champions League T20 winner Mumbai Indians in the inaugural match of the Indian Premier League Five at the M.A.Chidambaram Stadium in Chennai Wednesday evening( 8pm).After the glittering opening ceremony with light and sound yesterday, there could be firworks in the middle. The Chennai outfit led by the talismanic M.S.Dhoni, will be hoping for their third consecutive IPL crown.Like Chennai Super Kings, Mumbai Indians has men who can bludgeon the sphere. This will be a high pressure match and will test the nerve of both sides.