Jessica Pegula romped previous US Open champion and doubles companion Coco Gauff to safe her place within the last of the season-ending WTA Finals in Mexico.
Pegula gained 6-2 6-1 in a single hour in opposition to her fellow American in moist and windy situations in Cancun.
The opposite semi-final between Igi Swiatek and Aryna Sabalenka was postponed till Sunday due to rain.
Swiatek led 2-1 when the match was referred to as off, with the ultimate rescheduled to happen on Monday.
Poland’s Swiatek may usurp Sabalenka on the high of the ladies’s rankings if she beats the Belarusian and goes on to win the occasion.
Sabalenka is about to retain her world primary rating if she reaches the ultimate.
World quantity 5 Pegula, 29, took six of her 10 break level probabilities and misplaced serve simply as soon as in opposition to 19-year-old Gauff, who’s third within the ladies’s rankings.
“It is most likely my largest last ever,” mentioned Pegula following her victory. “It is going to give me numerous confidence going into subsequent yr.”
Rain interrupted play twice within the second set however Pegula dominated all through in opposition to Gauff, who was hampered by 25 unforced errors.
“I executed what I needed to do very well,” mentioned Pegula. “Within the windy situations, I believe it labored even higher.
“I used to be simply attempting to not get annoyed with my serve or returns or any funky sort of factors that we had and simply to maintain my ft transferring.”