ODI vs Test vs T20: The Three Main Formats of Cricket Compared

International cricket is played in three main formats: Test matches, One Day Internationals (ODIs) and Twenty20 Internationals (T20Is). They share the same basic laws, but differ greatly in length, tactics and the skills they reward. This guide sets them side by side so newcomers can see what makes each one distinct.

Test cricket

Test cricket is the oldest and longest format. The first Test match was played between Australia and England in Melbourne in 1877. Matches are scheduled over five days, with each team batting up to twice. There is no limit on the number of overs a team may face in an innings; instead, an innings ends when ten batters are out, when the captain declares, or when a team is bowled out.

A team must dismiss the opposition twice to win, and a game can end in a win, a loss or a draw if time runs out. A minimum of 90 overs is scheduled for each day, with breaks for lunch and tea. Players wear white clothing and use a red ball, which tends to swing and seam for longer than white balls.

One Day Internationals

ODIs were introduced in the early 1970s, with the first official match played in Melbourne in 1971. Each side bats once for a maximum of 50 overs, and the match is usually completed in a single day, roughly seven to eight hours. Each bowler may bowl a maximum of 10 overs. Players wear coloured kits and use white balls, and many matches are played under floodlights.

The ODI format is the basis for the Cricket World Cup, first played in 1975. Its length allows teams to build an innings through distinct phases rather than attacking from the very first ball.

Twenty20 Internationals

T20 is the newest format. Each side bats for a maximum of 20 overs, and a bowler can bowl no more than four. A match lasts about three hours. The first men’s T20 World Cup took place in 2007. Aggressive batting, innovative shot-making and sharp fielding are central to the format.

Side-by-side comparison

Skills and tactics

Tests reward patience, technique and stamina. Batters must survive tough spells and build long partnerships, while bowlers have to take 20 wickets to win, which demands persistence and variety. Captains make decisions across several days, including when to declare.

ODIs sit in the middle. Teams usually bat conservatively early, accelerate in the middle overs and attack at the end. Bowlers must balance attack and economy over ten overs.

T20 puts a premium on power-hitting, quick running, all-round ability and fielding. Because there are so few balls available, bowlers often rely on variations such as slower deliveries and yorkers, and batters take risks from the outset.

Results and rankings

The ICC publishes separate team and player rankings for each format, and the major global events are the ICC Cricket World Cup (ODI), the T20 World Cup and the World Test Championship, which runs over a multi-year cycle. Many players specialise in one or two formats, although the best all-format players are valued highly.

Which format should a newcomer start with?

Because it is short and easy to follow, T20 is often the best entry point. ODIs offer a balance of drama and tactics in a single day. Test cricket takes longer to appreciate, but many supporters regard it as the most complete examination of a player’s ability. Whatever your preference, it helps to understand all three, since the same players, laws and traditions run through each.

For further reading on how an individual match is recorded, see our guide to reading a cricket scorecard.

Frequently asked questions

How long does each cricket format last?

A Test match is scheduled for up to five days, an ODI lasts around one full day, and a T20 match takes roughly three hours.

Which format uses a red ball?

Test cricket traditionally uses a red ball, while ODI and T20 matches use a white ball.

Can a match end in a draw?

A draw is possible only in Test cricket, when time runs out before a result is reached. ODIs and T20s end in a win, a loss, a tie or a no-result.