England and Australia play the first of a five-match One-day International series at Lord's tomorrow. Australia are the world's top-ranked ODI side but England come into this match on the back of six straight home series wins in the 50-over game and a run of six wins in as many completed matches.England's recent success has been built on their top-order batsman, with Ian Bell filling the gap as openercreated by Kevin Pietersen's limited overs retirement by scoring a hundred against the West Indies at Southampton earlier this month.