Nathan Dyer cut inside Lee Naylor from the right-wing and teed-up Emnes but the on-loan Dutchman from Middlesbrough fired his shot at the diving Hudson from 10 yards.
While former England coach Duncan Fletcher has urged England's players to think carefully about playing in the IPL, leading Australian cricketers, including Brett Lee, Nathan Bracken, Dave Hussey, Shane Watson and Brad Hodge have vowed to play.
Nathan Bracken, Brett Lee and Andrew Symonds will miss the first three weeks because of the ODI series against Pakistan, while Australian skipper Ricky Ponting, Michael Hussey and Mitchell Johnson have opted out entirely, preferring to concentrate on Ashes preparation.