The top eight teams qualified for the 2015 Big West tournament. Seeds 1 and 2 received a double-bye while seeds 3 and 4 received a single bye. The first round featured 5 vs. 8 and 6 vs. 7. The lowest seed from round 1 moved on to play seed 3 in the quarterfinals while the other winner moved on to play seed 4 in the quarterfinals. The semifinals once again had the lowest seed from the quarterfinals move on to play seed 1 while the other remaining seed played seed 2 in the semifinals.