However, please do not allow this victory in sport betting to ruin your good judgement and make you believe there is some strategy or way you can exploit to increase your wager and get rich from betting this way in some consistent way. Remember: there was an important amount of luck behind this success you had, and luck comes and goes without a warning.
He really got lucky putting a bet on "draw" which has high odds giving him huge winnings from his 1$ bet. It's also rare to see 3 consecutive draw matches on soccer so luck was indeed on his side that time.
We can't be sure if he will not raise his wager if he tries it again but one thing is certain that what happen to him today will not always happen. Even if we say he has some prediction skills in soccer games, luck will always be a factor when gambling.