re: Sports betting hack or trick?

quote:

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I use the Martingale strategy on Tennis. I bet the underdog each point. I start with a $1 bet and every subsequent bet I lose I double my bet I.e $1, $2,$4, $8 etc… It’s a grind but I can average $100-$250/hr. I’ve been lucky as I haven’t busted yet. You’re basically betting that you won’t lose 10 points in a row. Basically the player receiving the serve is the underdog. You need a good bankroll. I’ve made almost $5000 in the last couple of months doing this.

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I assume you shouldn't do this on any old match. it needs to be two players who are of somewhat equal talent.
for instance it wouldn't be wise to do this on the first round of wimbeldon for someone like Djokovic or Alcarez and whatever guy he's going to straight set.
Or you wouldn't do this on a match where one person is really really good at serving and terrible on returns, such as John Isner.

Is there a strategy of what kind of matchup you're looking for?