Player Runs Total Inns Team Opposition Ground Match Date Scorecard
CH Gayle 63* 101 2 West Indies v Sri Lanka The Oval 19 Jun 2009 T20I # 115

† indicates that not all 10 wickets fell in the innings

Records include the following recent matches:
South Africa v Zimbabwe at Potchefstroom, 2nd T20I, Oct 12, 2018 [T20I # 699]
South Africa v Zimbabwe at East London, 1st T20I, Oct 9, 2018 [T20I # 698]
Ireland v Afghanistan at Bready, 2nd T20I, Aug 22, 2018 [T20I # 697]