Whether it was the men winning by a sliver or the women winning by several lengths, Stanford swimming ruled the waves in Tucson on Friday.
The third-ranked Cardinal men edged host Arizona, 155-143, and the top-ranked women's team knocked off the host Wildcats, 178-114, in Pac-10 openers.
Alex Coville, Chad La Tourette, Austin Staab and diver Brent Eichenseer each won two events to pace the men's team, now 3-0 overall, over the second-ranked Wildcats.
Liz Smith recorded the top times in three events to help the Stanford women (5-0) top Arizona.
Coville and Aaron Wayne finished first and second in the 50 and 100 free events, good for 26 points. Coville swam a 20.18 in the 50, and a time of 44.51 in the 100. Wayne was within 0.20 seconds each time.
La Tourette, who holds the nation's fastest times in the 1,000 free and 1,650 free, won the 1,000 in 9:14.67, significantly lower than his fastest. He also won the 500 free with a time of 4:31.71.
Eichenseer and teammate Taylor Sishc each also hogged the top two spots in the two diving events. Eichenseer won the one-meter with a score of 325.65 and won the three-meter in 329.48.
Staab finished first in the 200 free with a time of 1:37.76 and then won the 100 fly with a time of 47.93.
Smith swept both the 100 and 200 breaststrokes and recorded the top time in the 400 individual medley. Smith won the 100 with a time of 1:02.28 and the 200 in 2:12.68. In the 400 IM, she had a time of 4:16.43.
Smith also was a part of the winning 400 yard medley relay team that had a time of 3:38.74 to begin the meet.
Stanford finished first and second in seven events, won 12 of 16 events overall and finished with the second-fastest time in the 1,000 free and 200 free relay.
Senior Kate Dwelley finished in the top three in all three freestyles, winning the 100 (49.44) and 200 (1:46.91) and finishing second in the 50 free (22.78) to teammate Sam Woodward (22.70).
Freshman Andie Taylor won the 200 fly (1:58.26) and 500 free (4:46.76) and was second to Dwelley in the 200 free.
Stanford was stunned in Hawaii, dropping a 25-22, 25-21, 25-17 Mountain Pacific Sports Federation match to the host Rainbow Warriors on Friday night.
The same two teams meet again Saturday, with the second-ranked Cardinal (2-1, 3-1) looking for the series sweep.
Brad Lawson led Stanford with 13 kills but the Cardinal suffered 16 attack errors and 13 service errors while hitting a combined .200.
Hawaii recorded 8 1/2 team blocks and hit .459 in beating Stanford.
Brian Cook had nine kills, Erik Shoji had 10 digs and Evan Barry recorded 28 assists.
Sixth-ranked Stanford dropped a 9-0 decision to host Yale, ranked second, on Friday night.
The Cardinal (3-3) continue its road trip with matches against No. 18 George Washington and No. 10 Brown on Saturday, also at Yale.
Stanford also played No. 21 Bowdoin on Friday.