| Date | Location | Result | |
| Oct 27, 2018 | Purchase, NY | USMMA 3, Old Westbury 0 (25-8,25-10,25-22) | Box score |
| Oct 27, 2018 | Purchase, NY | Old Westbury 3, Purchase 1 (25-15,25-17,24-26,25-11) | Box score |
| Oct 24, 2018 | Jersey City, NJ | New Jersey City 3, Old Westbury 0 (25-19,26-24,25-22) | Box score |
| Oct 14, 2018 | Patchogue, NY | Old Westbury 3, SUNY Maritime 0 (25-20,25-19,25-16) | Box score |
| Oct 14, 2018 | Patchogue, NY | St. Joseph's (L.I.) 3, Old Westbury 0 (25-8,25-8,25-18) | Box score |
| Oct 9, 2018 | Old Westbury, NY | Farmingdale State 3, Old Westbury 1 (25-21,20-25,25-22,25-23) | Box score |
| Oct 7, 2018 | Bronxville, NY | Old Westbury 3, Yeshiva 0 (25-6,25-7,25-15) | Box score |
| Oct 7, 2018 | Bronxville, NY | Old Westbury 3, Sarah Lawrence 1 (25-19,23-25,25-23,25-15) | Box score |
| Oct 3, 2018 | Old Westbury, NY | St. Joseph's (Bklyn) 3, Old Westbury 2 (19-25,16-25,25-23,25-20,15-12) | Box score |
| Sep 30, 2018 | Old Westbury, NY | Mount Saint Mary 3, Old Westbury 0 (25-15,25-17,27-25) | Box score |
| Sep 30, 2018 | Old Westbury, NY | Old Westbury 3, Mount Saint Vincent 1 (17-25,25-23,25-16,27-25) | Box score |
| Sep 22, 2018 | New Haven, CT | Rutgers-Newark 3, Old Westbury 1 (25-18,20-25,25-12,25-14) | Box score |
| Sep 22, 2018 | New Haven, CT | Albertus Magnus 3, Old Westbury 0 (25-21,25-18,25-21) | Box score |
| Sep 20, 2018 | Brooklyn, NY | Pratt 3, Old Westbury 0 (25-12,25-23,25-10) | Box score |
| Sep 15, 2018 | Staten Island, NY | Staten Island 3, Old Westbury 1 (12-25,25-21,25-21,25-19) | Box score |
| Sep 15, 2018 | Staten Island, NY | Brooklyn 3, Old Westbury 1 (21-25,25-16,25-20,25-19) | Box score |
| Sep 8, 2018 | Allentown, PA | Immaculata 3, Old Westbury 1 (25-14,25-21,25-27,25-12) | Box score |
| Sep 8, 2018 | Allentown, PA | Cedar Crest 3, Old Westbury 0 (25-10,25-18,25-11) | Box score |
| Sep 6, 2018 | New York, NY | Baruch 3, Old Westbury 0 (27-25,25-19,25-11) | Box score |
| Sep 1, 2018 | Old Westbury, NY | William Paterson 3, Old Westbury 0 (25-9,25-15,25-12) | Box score |
| Aug 31, 2018 | Old Westbury, NY | SUNY Potsdam 3, Old Westbury 0 (26-24,25-14,25-18) | Box score |
| Aug 31, 2018 | Old Westbury, NY | Old Westbury 3, CCNY 0 (25-15,25-22,25-12) | Box score |