Nitish Kumar Reddy bowls the penultimate over and starts with control, denying the big shot as Jamie Overton works a single.
Anshul Kamboj rotates strike with another single, before Overton adds one more down to long-on.
Then comes the big moment -- Kamboj finally connects cleanly and smashes a much-needed six, punishing Reddy's missed yorker. A wide follows, and CSK squeeze out a couple of quick runs.
A costly over in the context of the chase -- 12 runs from it. After 19 overs, Chennai Super Kings are 177 for 7, needing 18 runs from the final over.