Rusinko finished with 19 points and was one off the pace set by Caroline White with 20. Fairport led 30-7 after the first quarter and 52-12 at the half.
Rachel Benedict had 15 points to lead Brockport.
The Red Raiders move on to Friday's quarterfinals where they will play their arch-rivals from (2)Rush-Henrietta. Gametime is 7pm.
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