Only Cao was able to close out her opponent with a 6-2, 6-4 win to tie the overall score.

“I was definitely glad to win the second set,” Cao said. “I did not want to go to a third.”

Unforced errors hampered Norton’s second and third sets, as she lost, 0-6, 7-6 (7-5), 6-1.

“Kristin pretty much ran out of gas,” Green said. “But Kristin’s a solid player for us...and I’m sure she’ll learn...from this.”

Chang also dropped her last two sets after taking the first, losing 2-6, 6-3, 6-2.

In the second trio of singles matches, Tachibana lost, 6-4, 6-3, to clinch the match for Yale.

Rosekrans forced a third set but then lost 6-3, 4-6, (10-6), as did freshman Alexandra Lehman, 7-6, 4-6, (10-6) playing at the No. 6 spot.

“We have a couple things we want to work on,” Cao said after Saturday’s loss.

Against top-seeded No. 46 Princeton (4-3), Cao won for the third time on the weekend to even the score after the Tigers took the doubles point.

Tachibana earned a point for Harvard in dramatic fashion, outplaying her opponent in the second-set tiebreak to take the match, 6-2, 7-6 (7-2).

Rosekrans won easily, 6-0, 6-1, while Chang rounded out Harvard’s winners with a 6-3, 7-6 (7-4) win.

Following the Crimson victory over the Tigers, Yale defeated fifth-seeded Dartmouth (7-1) to take its second-consecutive ECAC Tournament championship.

—Staff writer Eric L. Michel can be reached at emichel@fas.harvard.edu.