Cricket Rules Part 3

When the batsmen have finished attempting their runs the ball is dead, and is returned to the bowler to be bowled again. The ball becomes live when he starts hisrun up. The bowler continues to bowl toward the same wicket, regardless of any switch of the batsmen's positions.^[28]

A batsman may retire from an innings without being dismissed, usually after reaching a milestone like a hundred runs (a century).

A dismissed batsman leaves the field, to be replaced by another batsman from the batting team. However, even though the wicket may have been put down, or the ball caught, the batsman is not actually dismissed until the fielding team appeal to the umpires for a decision, traditionally using the expression "How's that" (or "Howzat"). In some matches, particularly test matches, either team may request a review by a third umpire who can use a Decision Review System (DRS), which includes TV replays and other electronic equipment such as hawk eye, hotspot and the snickometer.

After a bowler has bowled six times (an over), another member of the fielding team is designated as the new bowler, the old bowler taking up a fielding position. The batsmen stay in place, and the new bowler bowls to the opposite wicket, so the role of striker and non-striker reverse. The wicket keeper and the two umpires always change positions, as do many of the fielders, and play continues. Fielding team members may bowl multiple times during an innings, but may not bowl two overs in succession.

The innings is complete when 10 of the 11 members of the batting team have been dismissed (all out – although one always remaining "not out"), when a set number of overs has been played, or when the batting team declares that they have enough runs.

The number of innings and the number of overs per innings vary depending on the format of the match. In a match which is not a limited overs format the umpires will usually specify that the last session of the last innings will have a specified number of overs.^{[clarification needed]}

The match always ends when all innings have been completed. The umpires can also call an end to the match in case of bad light or weather. But in many cases the match ends immediately when the first team to bat has played all of its innings, and the last team to bat has more runs. In four-innings games the last team may not even need to play its second innings: this team is said to win by an innings. If this winning team has not completed its last innings, and still has, for example, five batsmen who are not out or have not even batted, then they are said to "win by five wickets". If the last team to bat is losing, is all out, and has 10 fewer runs than the other team, then the winning team "wins by 10 runs". If the two teams both play all their innings and they have the same number of runs, then it is a tie.

In four-innings matches there is also the possibility of a draw: the team with fewer runs still has batsmen on the field when the game ends. This has a major effect on strategy: a team will often declare an innings when they have accumulated enough runs, in the hope that they will have enough time left to dismiss the other team and thus avoid a draw, but risking a loss if the other team scores enough runs.