Australian Jarmila Gajdosova has played the Australian Open every year since 2006 and been knocked out in her first match each time. She finally cleared the hurdle by beating Romanian Alexandra Dulgheru 6-3, 6-4 and said the relief was so great it felt like winning the final.
US Open finalist Caroline Wozniacki will take on eighth-seeded Carla Suarez Navarro of Spain in Friday's quarterfinals at Tokyo.
Former world number one Caroline Wozniacki stayed on course for a Roland Garros showdown with Maria Sharapova on Thursday in a quarter of the draw blown wide open by Serena Williams' shock exit.
Samantha Stosur gave Australia a 1-0 lead over Germany in their Fed Cup World Group playoff by beating Angelique Kerber in straight sets on Saturday.
Jarmila Gajdosova hit back at her critics on Tuesday after she crashed out of the Australian Open at the first hurdle, extending her winless run at her home grand slam.
Marion Bartoli left her opponent in tears on Tuesday after a 6-0, 6-0 rout in the Hopman Cup put France on the way to victory over Australia.
Grieving Virginie Razzano, playing the French Open in honour of her fiance, who died from a brain tumour eight days ago, suffered an emotional first-round defeat on Tuesday.