| Date | Location | Result | |
| 11-25-1988 | Salina, Kan. | Nebraska 3, Iowa State 0 (15-9,15-5,15-10) | |
| 11-19-1988 | Fort Osage, Mo. | Missouri 3, Iowa State 2 (4-15,2-15,15-12,15-13,15-12) | |
| 11-13-1988 | Laramie, Wyo. | Wyoming 3, Iowa State 1 (15-13,16-18,15-8,15-3) | |
| 11-12-1988 | Boulder, Colo. | Colorado 3, Iowa State 0 (15-9,15-13,15-11) | |
| 11-11-1988 | Fort Collins, Colo. | Colorado State 3, Iowa State 0 (15-0,15-3,15-2) | |
| 11-8-1988 | Cedar Falls, Iowa | Northern Iowa 3, Iowa State 1 (15-9,4-15,15-6,15-4) | |
| 11-4-1988 | Ames, Iowa | Oklahoma 3, Iowa State 1 (15-9,14-16,15-5,15-11) | |
| 11-1-1988 | Des Moines, Iowa | Iowa State 3, Drake 2 (15-9,10-15,15-8,13-15,15-9) | |
| 10-29-1988 | Ames, Iowa | Iowa State 3, Missouri 1 (19-17,7-15,15-13,15-11) | |
| 10-25-1988 | Lincoln, Neb. | Nebraska 3, Iowa State 0 (15-2,15-12,15-6) | |
| 10-22-1988 | Norman, Okla. | Iowa State 3, Oklahoma 1 (10-15,15-12,15-13,15-11) | |
| 10-15-1988 | Lawrence, Kan. | Kansas 3, Iowa State 0 (15-4,15-13,15-12) | |
| 10-14-1998 | Manhattan, Kan. | Kansas State 3, Iowa State 1 (17-15,15-12,13-15,15-11) | |
| 10-11-1988 | Ames, Iowa | Nebraska 3, Iowa State 0 (15-2,15-8,15-5) | |
| 10-1-1988 | Ames, Iowa | Colorado 3, Iowa State 0 (15-5,15-7,15-13) | |
| 9-30-1988 | Ames, Iowa | Iowa State 3, Kansas State 2 (15-12,14-16,6-15,18-16,15-9) | |
| 9-24-1988 | Ames, Iowa | Iowa State 3, Kansas 0 (15-3,15-5,16-14) | |
| 9-17-1988 | Minneapolis, Minn. | Iowa State 3, Rhode Island 1 (15-8,15-6,10-15,15-7) | |
| 9-16-1988 | Minneapolis, Minn. | Minnesota 3, Iowa State 0 (16-14,15-2,15-4) | |
| 9-13-1988 | Ames, Iowa | Iowa State 3, UMKC 0 (15-8,15-5,15-8) | |
| 9-10-1988 | Springfield, Mo. | SW Missouri State 3, Iowa State 0 (15-6,16-14,15-6) | |
| 9-10-1988 | Springfield, Mo. | Idaho 3, Iowa State 2 (15-8,10-15,7-15,15-9,15-12) | |
| 9-9-1988 | Springfield, Mo. | Iowa State 3, Lamar 0 (15-3,15-11,15-13) | |
| 9-9-1988 | Springfield, Mo. | Illinois-Chicago 3, Iowa State 1 (6-15,15-6,15-6,16-14) | |
| 9-5-1988 | Ames, Iowa | Iowa State 3, Nebraska-Omaha 2 (11-15,15-5,15-6,12-15,15-7) | |
| 9-3-1988 | Iowa City, Iowa | Iowa 3, Iowa State 2 (13-15,14-16,15-9,15-11,15-4) | |
| 9-3-1988 | Iowa City, Iowa | Iowa State 3, Northern Iowa 1 (12-15,15-13,17-15,15-6) | |
| 9-2-1988 | Iowa City, Iowa | Iowa State 3, Drake 1 (15-4,15-2,12-15,15-5) | |
| 8-30-1988 | Ames, Iowa | Iowa State 3, St. Ambrose 0 (15-4,15-8,15-10) |