The shortest format of cricket known as T20I has evolved by leaps and bounds in the last ten to fifteen years. Today it's the most loved format all over the world. It has produced many great players like Rohit Sharma, Chris Gayle, Brendon McCullum, AB de Villiers, Andre Russell, Virat Kohli, etc who all have been match-winners for their teams at international level as well as in leagues.

And here is a list of most runs, fifty-plus scores and highest averages in winning causes in T20I cricket. 

Most T20I Runs in winning causes -

2152 - Rohit Sharma (India, 70 Matches)

1948 - Virat Kohli (India, 51 Matches)

1669 - Shoaib Malik (Pakistan, 78 Matches)

1641 - Mohammad Shahzad (Afghanistan, 46 Matches)

1508 - Martin Guptill (New Zealand, 44 Matches)

1494 - Mohammad Hafeez (Pakistan, 54 Matches)

1437 - David Warner (Australia, 45 Matches)

1389 - Eoin Morgan (England, 46 Matches)

1279 - Brendon McCullum (New Zealand, 32 Matches)

1235 - Tillakaratne Dilshan (Sri Lanka, 42 Matches)

Most Fifty Plus scores in winning causes in T20I cricket -

21 - Rohit Sharma (India)

18 - Virat Kohli (India)

13 - Paul Stirling (Ireland)

12 - Martin Guptill (New Zealand)

12 - Brendon McCullum (New Zealand)

12 - Mohammad Shahzad (Afghanistan)

12 - David Warner (Australia)

11 - KL Rahul (India)

10 - Aaron Finch (Australia)

10 - Chris Gayle (West Indies)

10 - Mohammed Hafeez (Pakistan)

10 - Eoin Morgan (England)

Highest Batting Averages in winning causes in T20I cricket -

64.93 - Virat Kohli (India, 1948 runs)

61.55 - Thisara Perera (Sri Lanka, 554 runs)

59.38 - Kevin Pietersen (England, 772 runs)

58.30 - Evin Lewis (West Indies, 758 runs)

55.60 - Brendon McCullum (New Zealand, 1279 runs)

55.05 - Babar Azam (Pakistan, 991 runs)

51.59 - KL Rahul (India, 1135 runs)

51.06 - Richie Berrington (Scotland, 817 runs)

48.90 - Glenn Maxwell (Australia, 1076 runs)

48.12 - Najibullah Zadran (Afghanistan, 770 runs)