Question 833255
The series is won as soon as one team wins 4 games
( best of 7 )
If your team wins in 6 games, then exactly 2 games are lost
Also, you know that the 6th game has to be a win
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Let W = a win
Let L = a loss
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You can have:
W W W L L W
W W L L W W
W L L W W W
L L W W W W
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W L W L W W 
W W L W L W
L W L W W W
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W L W W L W
L W W L W W
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L W W W L W
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It looks like there are 10 ways
The 6th game is always a win
and only 2 losses are allowed