Highest team score in a professional Twenty20 match

Highest team score in a professional Twenty20 match
Who
Royal Challengers Bangalore, Australia
What
263 total number
Where
Sri Lanka (Pallekele)
When
06 September 2016

On 23 April 2013, Royal Challengers Bangalore (RCB) scored 263 for 5 against Pune Warriors in the Indian Premier League at M Chinnaswamy Stadium in Bangalore, India – the match in which Chris Gayle (175 not out) produced the highest score by a player in any professional Twenty20 innings. On 6 September 2016, Australia matched RCB's effort with 263 for 3 against Sri Lanka at Pallekele International Cricket Stadium in Kandy, Sri Lanka. The innings featured a 65-ball knock of 145 not out from opener Glenn Maxwell.

Three other teams have managed to score 260 in a Twenty20 match: Sri Lanka (260 for 6) against Kenya on 14 September 2007; Yorkshire (UK; 260 for 4) against Northamptonshire on 17 August 2017; and India (260 for 5) against Sri Lanka on 22 December 2017.