Danielle Collins keeps perspective after falling to fellow American Madison Keys in the third round of the Australian Open

It was a mixed bag for seeds on Day 7 of the Australian Open as the likes of Jannik Sinner and Iga Swaitek sailed to victories, while Taylor Fritz and Danielle were bundled out of the tournament.

World No.1 and defending champion Jannik Sinner, Iga Swiatek, Elina Svitolina, Elena Rybakina and other big players will be in action on Day 9 of the hard court major at the Melbourne Park.

Elina Svitolina came from a set down to upset Jasmine Paolini in the third round of the Australian Open, while Madison Keys won an all-American clash over Danielle Collins.

Madison Keys is into the Australian Open semifinals for the third time after conquering Elina Svitolina 3-6, 6-3, 6-4 on Wednesday.

American Madison Keys rallied to beat Elina Svitolina in the Australian Open quarterfinals. What to know about the match and what's next for Keys.

The American 19th seed moved into the last four at Melbourne Park for the third time, 10 years after her first.

Madison Keys is back into the Australian Open semifinals for a third time after her 3-6, 6-3, 6-4 win Wednesday over Elina Svitolina of Ukraine. The 29-year-old Keys is on a 10-match winning streak after warming up for the year's first major with a title at Adelaide, where she beat fellow American Jessica Pegula in the final.

Serena Williams. The 23-time Grand Slam champion holds many records, but she was also the first woman to win at least o

Iga Swiatek is dominating her Australian Open opponents the way no one has at Melbourne Park since Maria Sharapova in 2013.

Five-time Grand Slam champion Iga Swiatek s wept past Emma Navarro into an Australian Open semi-final against Madison Keys to match her best performance in Melbourne. The Polish second seed was phenomenal on a gusty day at Rod Laver Arena, powering past the eighth-seeded American 6-1, 6-2.