Keys, the No. 19 seed and a two-time semifinalist at Melbourne Park, had won the first set. But Rybakina, who like Keys is a precise winner machine when she is playing the tennis she wants to play, had taken the second by seizing the initiative and playing on her front foot. Halfway to the finish, Keys had become a passive counterpuncher.

American Madison Keys defeated sixth seed Elena Rybakina in a thrilling match at the Australian Open, advancing to the quarter-finals. Despite a strong start and a challenging second set, Keys regained momentum to secure her third victory over a top-10 player this month.

Iga Swiatek’s latest lopsided win at the Australian Open has come in the quarterfinals against Emma Navarro MELBOURNE, Australia — Iga Swiatek is dominating her Australian Open opponents the way no one has at Melbourne Park since Maria Sharapova in 2013.

Madison Keys is back into the Australian Open semifinals for a third time after her 3-6, 6-3, 6-4 win over Elina Svitolina of Ukraine

Madison Keys battles to defeat Elina Svitolina in three sets to advance to the semifinals of the Australian Open.

Iga Swiatek’s latest lopsided win at the Australian Open came via a 6-1, 6-2 score in the quarterfinals against No. 8 seed Emma Navarro on Wednesday. The No. 2-seeded Swiatek not only has not dropped a set so far in the tournament,