US tennis player and ninth seed Danielle Collins said her goodbyes as well after losing to compatriot Shelby Rogers.
Veteran tennis player and 19th seed Simona Halep also made a winning start to her 2022 Roland Garros campaign after a fine win over Germany's Nastasja Mariana Schunk.
Seventh seed Danielle Collins was in high spirits after defeating former world no. 1 Simona Halep but her joy was cut short by the unseeded Amanda Anisimova.
Danielle Collins is making her maiden trip to the Round of 16 in Rome following two prior second-round defeats.
Sara Sorribes Tormo defeated Osaka to reach the round of 16 of what has been quite a memorable Madrid Open for her so far.
Ash Barty won the match 6-3, 7-6 (7-2) to end a 44-year wait for an Australian to win their home Grand Slam.
Swiatek, who was defeated by the American 6-4 6-1 in 78 minutes, also advanced to the semi-finals of the tune-up event in Adelaide.
Ashleigh Barty defeated Madison Keys while Danielle Collins saw off seventh seed Iga Swiatek for a meeting in the final.
The 3-hour, 1-minute victory is the longest match of Swiatek's young career at a Grand Slam to date.
A resurgent Danielle Collins has joined her compatriot Madison Keys in the Australian Open semifinals.