The top two seeds at the ASB Classic dominated their respective quarterfinal matches on Friday. 

World No.3 Coco Gauff continued her title defense, needing just 53 minutes to defeat Varvara Gracheva 6-1, 6-1. The reigning US Open champion extended her win streak in Auckland to eight matches and has not dropped a set during that span. 

Elina Svitolina was equally as dominant, knocking off No.4 seed Marie Bouzkova 6-0, 6-3 in 65 minutes.

Bidding to make her first final of the new season, Gauff will face compatriot and No.4 seed Emma Navarro in the semifinals on Saturday. No.31 Navarro advanced to her first semifinal since 2023 San Diego by defeating Petra Martic 6-4, 6-3. 

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Ranked No.41, Gracheva was playing her first hard-court quarterfinals since making the final in Austin last March. 

After breaking Gracheva in her first service game to build a 3-0 lead, Gauff raced through the opening set in 33 minutes. The 19-year-old American put on an all-court masterclass as she blunted Gracheva from the baseline and cleaned up clinically in the forecourt. 

"I thought I served really well, probably the best so far this tournament," Gauff said, "which was something I was working really hard on in the offseason."

With two more breaks of serve early in the second set, Gauff continued her efficient march toward the finish line. After building a 4-0 lead, she closed the match three games later as the Frenchwoman's forehand continued to miss its mark. 

Gauff's efficiency bore out in the statistics. She served at 72 percent and struck five aces, while hitting 13 winners to 11 unforced errors. She did not face a break point and converted five of her seven break points to notch her third win of the year. 

For Svitolina, she showed no signs of fatigue from her three-set battle against Emma Raducanu the night before. 

Highlights: Svitolina d. Bouzkova

Svitolina pocketed the first six games in just 25 minutes and made only five unforced errors in the match. The Ukrainian star, who is into her first semifinal since Wimbledon last summer, struck 28 winners and held Bouzkova to 10. 

Svitolina will face China's Wang Xiyu on Saturday. Wang engineered a remarkable comeback to defeat France's Diane Parry 6-7(3), 6-3, 6-4 in 3 hours and 4 minutes. Wang trailed 4-1 in the final set before storming back to earn the win.