Fourth seed Maria Sakkari played out an absolute thriller of a first set to earn a highly impressive win against American tennis player Madison Keys.
The final set of the match between Ryabinka and Badosa went to a tie-break which was a back and forth affair for a while before the Spaniard finally took control.
The win meant that Swiatek had won 11 consecutive matches and climbed up the ladder to second place in the world rankings.
Sakkari had reached seven semifinals and two finals in her last ten tournaments coming into Indian Wells this year.
Naomi Osaka easily made it through to the second round of the Australian Open with a straight sets win over Camila Osorio on Monday (January 17).
Anett Kontaveit needed three sets to take down Maria Sakkari to reach the title match of the Akron WTA Finals Guadalajara, where she will play Garbine Muguruza.
No.4 seed Maria Sakkari clinched her spot in the semifinals of the Akron WTA Finals Guadalajara with a three-set win over Sabalenka.
Top-seeded Sabalenka fought back impressively from a set deficit to eliminate Iga Swiatek at the Akron WTA Finals Guadalajara.
No.7 seed Paula Badosa reeled off 10 successive games to defeat World No.2 Aryna Sabalenka on Day 2 of the Akron WTA Finals Guadalajara.
A rock-solid Maria Sakkari beat No.4 seed Karolina Pliskova 6-4, 6-4 to reach her second major semi-final of the season and first in the US Open.