With their tail up in the series following a 3-0 lead, India went into yesterday's game as favourites but twin weather breaks coupled with a few missed chances brought a halt to their rampaging ODI run as South Africa kept the series alive.
"In hindsight you have to give credit to South Africa. I think they played with a lot of character in the end, they pulled through, they deserved to win," Kohli said after last night's weather-hit and curtailed ODI.
Opting to bat, Shikhar Dhawan and Kohli were going great guns before lightning first stopped play when the visitors were placed at 200 for 2. Although no overs were cut, India lost the momentum and only finished at 289 for 7.
Another rain break later, during South Africa's innings, forced the match to be reduced to 28 overs with the hosts set a revised target of 202.
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"After the break when Shikhar and Jinks (Ajinkya Rahane) came off the wicket played a bit differently, it wasn't as good to bat after the break," he said.
"After the lightning break the guys felt with the weather getting cooler, the wicket got faster in the evening, and that continued through the innings, so I don't think the guys quite settled in in the later half."
Kohli felt the curtailment of the match helped South Africa.
"It was more like a T20 game where you have to go after the bowlers and it can get difficult when people get into a groove and when a side has momentum it can be very difficult to stop them."
The India skipper also gave credit to South Africa for the way they went about their run chase.
"Especially Miller and their wicket keeper batted very well, when we got AB I thought we were in the game, but those two guys took the game away from us," he said.
"They improvised really well and it came off for them, they showed real character, they showed guts, they tried a few things and they deserved to win," Kohli added.
The Indians also had themselves to blame as David Miller was given two lives -- a dropped catch in the deep and then was bowled off a no ball off Yuzvendra Chahal when he was on 6 and 7 respectively. He went on to make 39 off 28 balls.
"No balls are always something that hurts you as a team but you can't be too hard on the boys. They try their best out there in the middle and mistakes do happen," he added.