High Quality Content by WIKIPEDIA articles! A One Day International (ODI) is a form of limited overs cricket, in which a fixed number of overs, usually 50, but in the past 40, 45 or 60 overs, are played between two teams with international status. The Cricket World Cup is played in this format. One Day International matches are also called "Limited Overs Internationals (LOI)", because they are limited overs cricket matches between national sides, and if the weather interferes they are not always completed in one day. Important one-day matches, international and domestic, often have two days set aside, the second day being a "reserve" day to allow more chance of the game being completed if a result is not possible on the first day (for instance if play is prevented or interrupted by rain).