ODI Cricket Explained — One Day Internationals
Everything you need to know about ODI cricket — the 50-over format, powerplays, history, and how it differs from Test and T20 cricket.
A One Day International (ODI) is a limited-overs cricket match between two national teams, each playing one innings of exactly 50 overs. ODIs sit in the middle of cricket's format spectrum — more tactical than T20 but more accessible and exciting than multi-day Tests. The ICC Cricket World Cup, held every four years, is the pinnacle of ODI cricket.
Basic Format
- Each team bats once for a maximum of 50 overs (300 legal deliveries).
- If all 10 wickets fall before 50 overs, the innings ends early.
- The team scoring more runs wins.
- The match is played in a single day, though D/N games extend into the evening.
- Rain interruptions are resolved by the Duckworth-Lewis-Stern (DLS) method.
Powerplay Rules
ODIs use three phases of fielding restrictions called powerplays. Powerplay 1 (overs 1–10): only 2 fielders outside the 30-yard circle. Powerplay 2 (batting team choice, overs 11–40): 3 fielders outside circle. Powerplay 3 (fielding team choice, overs 11–40): same. After over 40, up to 4 fielders can be outside. This structure rewards aggressive batting in the first 10 overs and the final 10.
History of ODIs
The first ODI was played at Melbourne Cricket Ground on 5 January 1971 between Australia and England — arranged after rain wiped out three days of a Test match. It was an immediate success. The inaugural ODI World Cup followed in 1975. In the 1990s and 2000s ODIs dominated international cricket scheduling; the rise of T20 since 2007 has reduced ODI crowds but not its prestige.
Tactics in ODIs
ODI cricket rewards balance. Batting sides need openers who can accelerate in the powerplay, a middle order to consolidate if wickets fall, and finishers who can score at 10+ runs per over at the death. Bowling sides target top-order wickets in the powerplay, apply pressure in the middle overs, and vary pace in the final 10. Captains save their two best bowlers' last overs for the death.
Key Records
- Highest team total: Sri Lanka 443/9 vs Netherlands (2006).
- Highest individual score: Rohit Sharma 264 vs Sri Lanka (2014).
- Most ODI centuries: Virat Kohli (54 — surpassing Tendulkar's 49 in November 2023).
- Most ODI wickets: Muttiah Muralitharan (534).
- Most ODI runs: Sachin Tendulkar (18,426).
Frequently asked questions
How many overs in an ODI cricket match?
Each team bats for a maximum of 50 overs in an ODI. If all 10 wickets fall before 50 overs, the innings ends. A full match therefore involves a maximum of 100 overs of cricket across both innings.
What is the difference between an ODI and a T20?
An ODI is 50 overs per side; a T20 is 20 overs per side. ODIs typically last 8–9 hours; T20s last about 3–3.5 hours. ODIs require batters to pace their innings across more overs; T20s are almost entirely aggressive from ball one. Both are limited-overs formats, as opposed to Test cricket which has no over limit.
When was the first ODI cricket match?
The first ODI was played on 5 January 1971 at the Melbourne Cricket Ground between Australia and England, after heavy rain had washed out the first three days of a scheduled Test match. Australia won by 5 wickets.
How does the DLS method work in ODIs?
The Duckworth-Lewis-Stern method recalculates the target for the team batting second in rain-affected matches. It takes into account both the overs remaining and the wickets lost at the time of interruption. The system uses a complex resource table to set a revised target that reflects the value of the remaining resources of each team.