Mick McCarthy's men - minus captain Roy Keane - start their Group E campaign by facing Cameroon in Niigata, Japan (kickoff 7.30am).
In the first-ever meeting of these two sides, the Republic's hopes of securing three points have been significantly reduced by the shock loss of their inspirational skipper, who flew home following strife within the camp. Cameroon, nicknamed the "Indomitable Lions" successfully defended their African Cup of Nations title earlier this year, and have Patrick Mboma, Rigobert Song and Marc-Vivien Foe - all with Premiership experience - in their ranks. Presented by Gary Lineker, with analysis from Mark Lawrenson and David O'Leary. Commentary by Barry Davies and Paul McGrath. See Choice.
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