T20 match guide: phases, match-ups and momentum

01What happens in the powerplay?

Field restrictions push the scoring rate up, and the chance of wickets rises with it. Prices tend to overreact to a single expensive over in this phase.

02Why do the middle overs matter?

Spin and containment take over. Teams that keep wickets in hand through this phase are best placed going into the death overs.

03Why are the death overs so volatile?

Two set batters facing a part-time bowler can change a chase in three overs. The largest price swings of the match happen here.

04How do match-ups affect expected runs?

Left-arm spin against a batting order full of right-handers, or a power hitter facing slower balls, can shift expected runs more than overall form does.

05How do the field restrictions work?

In men's T20 internationals, only two fielders may stand outside the 30-yard circle during the six powerplay overs. From the seventh over, up to five can go out. That's why boundaries come easily early on and the scoring rate usually dips once the field spreads. Leagues can tweak the details, so check the playing conditions.

06How do you read a chase?

Two numbers matter more than the score: the required rate and wickets in hand. Needing 60 off 36 balls with seven wickets left is very different from the same target with three wickets left, because the second side can't afford to attack. Prices that only react to the required rate often misjudge chases where a long batting order is intact.

• Wickets in hand decide how freely a side can attack at the death.
• A set batter on 40 is worth more than a new batter, because the first few balls are the hardest.
• Overs left for the opposition's best bowlers tell you how hard the last phase will be.

07How do venue and conditions change a T20?

Boundary size, pitch pace and evening dew all shift what a par score looks like. Dew often helps the side batting second in night games. A flat pitch with short boundaries can make 190 chaseable, while a slow, turning surface can make 150 a good total. Compare with that venue's usual range, not a generic T20 average.

08How should you use phases when betting?

Decide before the match which phase you understand best and bet there, rather than reacting to every over. Powerplay prices swing on single boundaries, so small stakes suit that phase. The middle overs are where steady teams build an edge, and the death overs are where most match-winner prices settle their direction. On an exchange, a big powerplay swing can also be a chance to lay a side you think the market has overrated.