Wales' match against Ukraine on Sunday evening has a place at the World Cup in Qatar on the line for the winners.
The men in red haven't been in that competition since 1958 and the play-off match presents them with their best opportunity to rid themselves of that albatross around their necks.
The man in the middle at Cardiff City Stadium is Mateu Lahoz. The Spaniard has officiated at World Cups in 2014 and 2018, and also whistled the 2021 Champions League final between Chelsea and Manchester City.