Real Madrid continued their perfect start to the new La Liga season
Vinicius Jr's sublime early finish was cancelled out 11 minutes later by Betis midfielder Sergio Canales.
Karim Benzema had an effort cleared off the line before Rodrygo prodded Madrid back in front in the second half.
Betis, who had collected maximum points from their opening three league games, were denied
another equaliser when Thibaut Courtois tipped Canales' dipping effort around the post with 15 minutes remaining.
Carlo Ancelotti's side have now won four games out of four as they seek to defend their La Liga title..
and will begin the defence of their Champions League crown with a trip to Celtic on Tuesday.
Ancelotti turned to Federico Valverde for inspiration from the bench and, with his second touch..
the Uruguay international provided just that, cutting back to Rodrygo, who benefitted from weak goalkeeping from Silva.
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