Women's team play Scotland in Hampden Park in a winner-probably-takes-all play off.
Tonight is the biggest night in the history of the Republic of Ireland women's team.
They play Scotland in a playoff at Hampden Park knowing a win could see them qualify for the World Cup for the very first time.
The 8 o'clock start means they should know by kick-off if a win will be good enough for direct qualification for the finals in Australia and New Zealand.
Captain Katie McCabe believes the Girls in Green have the character to prevail:
This evening's other playoff games both kick off at 6pm.
Portugal play Iceland, and Zurich is the venue for Switzerland's game with Wales.
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