Live U-TV odds are viewable on SofaScore's section.
The Welsh hope that they will finally be able to compete in a World Cup again is correspondingly high.
You can watch the game live on Football from 7pm and Main Event from 8pm.
The three path winners will qualify for the World Cup.
Change team stats: All Home Away Wales Stat name Belarus 36 Games 39 40 Goals 43 30 Goals lost 60 50% 18 Wons 36% 14 50% 11 Draws 36% 5 19% 7 Defeits 51% 20 1.
Bale, who became just the second Welshman to play 100 times for his country - joining Chris Gunter, was replaced at half-time.