New Zealand v Sri Lanka, 2nd Test, Hamilton, 3rd day December 20, 2015

Jayasundera dismissal causes another DRS stir

File photo: Richard Kettleborough wrongfully overturned the on-field umpire Paul Reiffel's decision due to an optical illusion in the replays © AFP

Sri Lanka bowling coach Champaka Ramanayake said the DRS system had "a lot of errors", in the wake of what seemed to be an incorrect DRS call which cost Sri Lanka a wicket.

Third umpire Richard Kettleborough had overturned Paul Reiffel's not-out decision on a caught-behind call on batsman Udara Jayasundera in the 23rd over of Sri Lanka's second innings. There appeared to be no conclusive evidence that the batsman had gloved the ball on snicko or hotspot, but Kettleborough may have instead relied on a seeming deviation from the glove. This deviation, seen from a rear camera angle, was later shown to be an optical illusion.

"What I saw on the TV - it looked like not out," Ramanayake said. "I can't talk about the umpiring. We haven't spoken to anyone. Whatever the decision is made we have to take it. We have to have a real serious think about this DRS system. There are a lot of errors."

The short ball from Doug Bracewell did not leave a distinctive hotspot mark. Snicko showed no conclusive spike either.

The rear angle initially showed a significant deviation, but importantly, the glove did not appear to move when the ball seemed to brush it. Kettleborough had not seen a split-screen before making his decision. The broadcaster later put up a side-angle view of the dismissal, simultaneous with that rear angle, which seemed to show that the deviation seen on the rear angle came well before the ball had reached the glove. In any case, both umpire Reiffel and batsman Jayasundera appeared unhappy with the eventual outcome.

New Zealand bowler Neil Wagner, who had only seen the original review on the big screen at the ground, acknowledged that there was little evidence on hotspot or snicko. However, he thought the correct decision had been arrived at, due to the seeming deviation seen in that rear-angle shot.

Andrew Fidel Fernando is ESPNcricinfo's Sri Lanka correspondent. @andrewffernando

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