| 1990–91 World Series | |||||||||||||||||||||||||||||
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| Date | 29 November 1990 – 15 January 1991 | ||||||||||||||||||||||||||||
| Location | Australia | ||||||||||||||||||||||||||||
| Result | Won by  2–0 in final series | ||||||||||||||||||||||||||||
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The 1990–91 World Series was a One Day International (ODI) cricket tri-series where Australia played host to England and New Zealand. Australia and New Zealand reached the Finals, which Australia won 2–0.
A One Day International (ODI) is a form of limited overs cricket, played between two teams with international status, in which each team faces a fixed number of overs, usually 50. The Cricket World Cup is played in this format, which is generally held every four years. One Day International matches are also called Limited Overs Internationals (LOI), although this generic term may also refer to Twenty20 International matches. They are major matches and considered the highest standard of List A, limited overs competition.
Cricket is a bat-and-ball game played between two teams of eleven players on a field at the centre of which is a 20-metre (22-yard) pitch with a wicket at each end, each comprising two bails balanced on three stumps. The batting side scores runs by striking the ball bowled at the wicket with the bat, while the bowling and fielding side tries to prevent this and dismiss each player. Means of dismissal include being bowled, when the ball hits the stumps and dislodges the bails, and by the fielding side catching the ball after it is hit by the bat, but before it hits the ground. When ten players have been dismissed, the innings ends and the teams swap roles. The game is adjudicated by two umpires, aided by a third umpire and match referee in international matches. They communicate with two off-field scorers who record the match's statistical information.
The Australian Tri-Series refers to the one day international (ODI) cricket tournament held in Australia, and contested by Australia and two touring teams. The series is played during the height of the Australian cricket season, in the summer months of December, January and February. The series has been the primary format for international one-day cricket throughout most of the history of ODI cricket in Australia. The tri-series was first held in 1979–80 and was contested every season until 2007–08. It has since been held twice, in the 2011–12 season, and again in the 2014–15 season, prior to the World Cup and then the format was switched to Twenty20 International (T20I) format for the first time in the 2017-18 season with Australia, New Zealand and England competing.
