They made the best possible start after two minutes when Ruben Castro converted from the penalty spot, but Bilbao responded well and were level four minutes before the break with a strike from Aritz Aduriz.
Both teams had chances in the second period, but neither could add to their tally as the points were shared in a close encounter.
Read how it all unfolded in Sports Mole's minute-by-minute live commentary of the action below.
BETIS: Adrian; Lopez, Chica, Mario, Amaya; Sevilla, Benat, Canas, Castro; Molina, Campbell
BILBAO: Iraizoz; Iraola, Gurpegi, Ekiza, Laporte; Susaeta, Iturraspe, Herrera, Aduriz; Muniain, De Marcos