Mayank Agarwal comes out to bat, hits a six off O'Keefe and is caught behind off Cummins last over. 

Cummins comes back well to finish with figures of four for 45.

RCB 180 for four after 17 overs.

Gayle is dismissed at last. 

Cummins traps him leg before, thereby ending a 141-run partnership for the second wicket that came off just 66 balls. 

Gayle's 41-ball 92 was inclusive of eight boundaries and an equal number of maximums.

Saurabh Tiwary (0) is cleaned up first ball by Cummins.

RCB 162 for three after 14 overs.

Steve O'Keefe is handed the ball in the seventh over and Gayle welcomes him with his fourth six, over deep midwicket.

Gayle registers his 15th T20 fifty, the second fastest fifty in Champions League. His 20-ball fifty is just short of compatriot Kieron Pollard's effort (off 17 balls).

He celebrates the same with back to back boundaries as 17 runs come off the first over of spin. Gayle and Kohli help their team to the fastest hundred of the competition, off just 52 balls. 

The100-run partnership comes courtesy Gayle's sixth six. Kohli is dropped on 44, in Smith's second over. The batsman reaches his fifty in the over.

RCB 137 for one after 12 overs. 

Stuart Clark is brought back from the other end in the fourth over and Gayle gets into the zone, first hitting a boundary straight down the wicket and following it up with a maximum over deep midwicket.

Cummins's second over proves costly for Blues, with 22 runs coming off it, Gayle hitting two maximums and a boundary. Starc's second over witnesses Kohli helping himself to four boundaries. 

RCB  71 for one after six overs.

Chris Gayle and Tillekeratne Dilshan open the batting for Bangalore and it will be Stuart Clark to start the proceedings for the Blues. 

Dilshan is dropped at point in the third ball and expresses his gratitude with a boundary off the last ball. Just five runs come off the first over. 

Mitchell Starc to share the new ball and Gayle hits him for successive boundaries. Pat Cummins bowls the third over and strikes fifth ball, having Dilshan (4) caught by Henriques at mid-off. 

RCB 22 for one after three overs.

A spectacular 123 not out by David Warner helped New South Wales Blues to a formidable 203 for two against Royal Challengers Bangalore in the first semi-finals of the Champions League T20 at the Chinnaswamy stadium on Friday. 

It was the first time that any batsman had hit back-to-back hundreds in T20 cricket - with the Australian having scored a ton against Chennai Super Kings in NSW's final group game as well.

The 24-year-old's 68-ball knock was inclusive of six boundaries and a mammoth 11 sixes, his effort making him the highest scorer in the format and the one with most sixes in the innings and the tournament as well.

Warner put on 146 runs for the second wicket with Daniel Smith (62), the partnership coming off just 87 balls being the highest partnership for any wicket in the format. 

Vettori is back to bowl in the 15th over and Warner smashes his third ball over deep midwicket for his fifth six. Smith also helps himself to his third six as 15 runs come off the over. 

It is now the highest partnership for any wicket in the tournament. Nannes comes to bowl the final over and Warner hits the second ball for a maximum to help his team get past the 150-run mark. Three balls later, Warner repeats the trick. The result his eight maximum.

NSW 163 for one after 17 overs.

Raju Bhatkal comes in to bowl in the 11th over and Smith welcomes him by smashing his first ball over deep midwicket for a maximum. 

Two balls later Warner completes a well-deserved fifty. Aravind continues and Warner, who had ended the bowler's opening over with a boundary, hits the first ball for a maximum over long-on.

Smith follows up with three boundaries and Aravind's second over costs Bangalore 20 runs. Nannes is brought back in the 13th over and concedes just seven.

Smith registers his maiden T20 fifty with a maximum off Bhatkal. The shot also raises the 100-run partnership for the second wicket.

NSW 122 for one after 14 overs.

Nannes, who went for 13 in his first over, is even more expensive in his second, conceding 16 runs, with Warner dispatching the fourth ball to the cover fence and smashing the fifth over deep midwicket for a maximum. 

Warner and Smith combine well for the second wicket, putting in more than 50 runs. The former has reached 250 runs in the tournament.

NSW 76 for one after 10 overs.

David Warner and Shane Watson open the batting for NSW Blues while Tillekertane Dislah will start the proceedings for Bangalore. Just two runs conceded in the first over.

Dirk Nannes to bowl the second over. He starts with a couple of wides. The first legitimate ball is caressed wide of third man for a boundary by Warner. Two balls later, the batsman goes past cover for his second boundary. 

Dilshan continues and strikes third ball, having Watson (3) caught by Mohammad Kaif at long-on. Daniel Smith has come out to bat.

NSW 17 for one after three overs. 

"It suits our side and the wicket also looks a bit damp," reasoned captain Daniel Vettori. His opposite number didn't seem too perturbed with the toss loss.

"We will be happy to get runs on the board. Obviously the dew might be a factor," said Simon Katich.