How to Defend a Total in Cricket: The Per-Over Math for Short Formats

Almost every piece of cricket advice online is written for the batting side. This is the other half of the game: how to defend a total in cricket when the runs are already on the board and you are the one holding the ball.

The short answer

Defending a total means protecting one number, the runs per over the chasing side needs, and making that number climb faster than they can bring it down. Divide your total by the overs available to get their starting requirement, then treat every ball as a chance to raise it. Dot balls do more of this work than wickets, because a short format does not give the chasing side enough balls to recover. A side chasing 80 in 10 overs needs 8.00 an over off the first ball; bowl one maiden over and they need 8.89.

The number that matters is not your total

Your total is a fact. The required rate is a pressure gauge, and it moves every single ball. That is the thing to keep your eye on.

One point of precision that trips people up: the chasing side has to pass your total, not match it. If you finish on 80, they need 81 to win, and 80 is a tie. So your real defence is your total plus one.

Defence budgets by format

Howzat runs 5, 10 and 20 over matches, which means 30, 60 or 120 legal balls for the chase. Here is what common totals demand:

5 overs, 30 balls. Defending 45 asks 9.00 an over. Defending 60 asks 12.00.
10 overs, 60 balls. Defending 70 asks 7.00 an over. Defending 90 asks 9.00.
20 overs, 120 balls. Defending 120 asks 6.00 an over. Defending 160 asks 8.00.

Now look at what a single good over does to those numbers. In a 20 over match defending 140, the chase starts needing 7.00. Concede nothing in the first over and they need 140 off 114 balls, which is 7.37. Concede nothing in the second over as well and it is 7.78. You have added nearly a run an over to their task without taking a wicket.

The shorter the format, the more violent this effect is. In a 5 over match defending 45, one maiden over takes the requirement from 9.00 to 11.25. That is close to a boundary every ball for the rest of the innings, which almost nobody sustains.

Four things that actually defend a total

Count in dots, not wickets. Wickets are a bonus. A dot ball is the only thing you can aim for on every single delivery, and six of them in an over is worth more than one wicket and fourteen runs.
Pick a length and bowl it twice before you change it. One ball tells you nothing. Two identical balls tell you whether the batter is early, late, or comfortable. Most people defending a total change everything after one delivery and never learn anything.
Answer a boundary with a change of pace or length, not more effort. The instinct after being hit is to bowl faster at the same spot. A set batter who has just timed you will enjoy that. Take the pace off, or push the length fuller or shorter, and make them generate the speed themselves.
Protect the last two overs. In any short format the final two overs carry the most runs per ball. Decide before the innings which of your deliveries is your best under pressure, and do not burn it in the second over trying to look good.

How the plan changes over by over

The opening third

This is where the chase is most willing to take risks, because the required rate still looks reachable and wickets are cheap to them. You are not trying to be clever here. You are trying to be boring. Repeat a length, deny the easy boundary, and let the required rate drift up while they tell themselves there is plenty of time.

The middle

The middle overs are decided by whether the batter has to invent a shot. If the required rate has climbed two runs an over above where it started, they can no longer wait for a bad ball, and a batter reaching for a shot they would not normally play is where wickets come from without you chasing them.

The last two overs

Short formats are won and lost here. Two rules hold up well. First, the ball that is hardest to hit for six is usually the one that arrives at a different pace from the one before it. Second, if the chase needs more than twelve an over with two overs left, your job is to concede singles, not to take wickets. Let them turn the strike over and run out of balls.

What defending a total feels like in a live 1v1

Reading this is one thing. Doing it against a person who is actively trying to beat you is another, and that is the gap play cricket online is meant to close. Howzat is a free 3D cricket game that runs in the browser with no download and no install. Two real people play a live match, one batting and one bowling, over 5, 10 or 20 overs, in day or night conditions, with chat available during the match.

That format is unusually good for learning how to defend a total in cricket, and for one specific reason: you bowl the whole innings yourself. Real cricket lets a captain hide a bad over by changing bowlers. In a 1v1 there is nobody to rotate to. Every length, every change of pace and every bad decision is yours, which makes the link between what you bowled and what the required rate did impossible to ignore.

You can start a quick match against whoever is available, or send a private link to a friend and settle it between the two of you. Results from rated matches build a Scale badge from 0 to 10, which appears after five rated matches. Beating opponents stronger than you moves you up faster, and playing the same opponent repeatedly is damped so you cannot farm a rating off one friend.

Rehearsing it against the bots

If you want to drill the per over math without the pressure of a real opponent, there are three computer difficulties: Gully bot, Club bot and Academy bot. Bot results count at half weight, are capped at a few per day, and will carry you no higher than Scale 3, which is the Club level. Everything above that has to be earned against real people. Treat the bots as a net session for your defensive plan, not as a route up the ladder.

Where most people lose a defence they should have won

Bowling for the wicket when the rate is already won. If the chase needs fourteen an over, a wicket changes less than a dot ball does. Stop hunting.
Checking the total instead of the rate. "They need 40" means nothing on its own. "They need 40 off 18" is the whole match.
Panicking after one boundary. One four in an over of otherwise good balls is a 4 run over and still below most required rates in a short format.
Giving away free deliveries. A wide or a no ball hands over a run and buys the chase another ball at your expense. In a 5 over game, two of them are worth more than a boundary.
Treating 5 overs like a short 20. A 30 ball chase is a sprint. There is no building phase to survive, so the opening over matters more than any other over in the match.

Put it on the clock

The theory above takes five minutes to read and a lot of matches to make automatic. The fastest way to learn how to defend a total in cricket is to be handed one that is slightly too small and have to protect it anyway, which is exactly what a live 1v1 does to you.

Create a free account and defend something this week. Watch the leaderboard to see who is worth measuring yourself against, and there are more format and tactics breakdowns on the blog if you want the batting side of the same math.