 | | Cal Poly | 87 | | 1-9 |  | | CSU Fullerton | 82 | | 4-6 | | Mar 9, 2021 7:00 PM | |  | | Long Beach State | 85 | | 2-4 |  | | CSU Northridge | 63 | | 3-5 | | Mar 9, 2021 7:00 PM | |
| | | Long Beach State | 87 | | 2-4 |  | | UC Santa Barbara | 95 | | 10-2 | | Mar 11, 2021 7:00 PM | |  | | CSU Bakersfield | 56 | | 10-4 |  | | UC Davis | 58 | | 4-4 | | Mar 11, 2021 7:00 PM | |  | | Hawaii | 52 | | 5-7 |  | | UC Riverside | 62 | | 6-3 | | Mar 11, 2021 7:00 PM | | | | Cal Poly | 51 | | 1-9 |  | | UC Irvine | 58 | | 8-3 | | Mar 11, 2021 7:00 PM | |
| | | UC Riverside | 61 | | 6-3 | | | UC Irvine | 78 | | 8-3 | | Mar 12, 2021 7:00 PM | | | | UC Davis | 55 | | 4-4 | | | UC Santa Barbara | 71 | | 10-2 | | Mar 12, 2021 7:00 PM | |
| | | UC Irvine | 63 | | 8-3 | | | UC Santa Barbara | 79 | | 10-2 | | Mar 13, 2021 7:00 PM | |
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