Korea Open: Jelena Ostapenko storms into quarters with easy win over Nao Hibino, Sorana Cirstea advances
Ostapenko became the first Latvian to break into the WTA Top 10 when she advanced into 10th place earlier this month and will now sail into her seventh quarterfinals of the year.
British star Konta and Romanian world number two Halep were involved in a spiteful Fed Cup clash between their countries in April and the bad blood was still lingering as the rivals discussed their impending Wimbledon showdown.
Bethanie Mattek-Sands collapsed to the court after her knee buckled in her second round match against Sorana Cirstea on Thursday.
2016 French Open champion Garbine Muguruza beat Sorana Cirstea 6-2, 6-2 in the third round on Saturday.
Bethanie Mattek-Sands is being treated in a nearby private hospital where she was taken on Thursday after her knee appeared to buckle as she approached the net in her second round clash with Sorana Cirstea on Court 17.
Bethanie Mattek-Sands was being treated in a nearby private hospital where she was taken on Thursday after her knee appeared to buckle as she approached the net in her second round clash with Sorana Cirstea on Court 17.
Bethanie Mattek-Sands collapsed to the ground after damaging her right knee as she approached the net in the first game of the deciding set against Romania's Sorana Cirstea on Court 17.
The 20-year-old Ostapenko, who got a first-round bye, will face either Britain's fifth-seeded Johanna Konta or Romanian Sorana Cirstea in round three.
Ilie Nastase was sensationally kicked out of the Fed Cup on Saturday after a foul-mouthed rant compounded his controversial racial slur over Serena Williams's unborn baby.
Fed Cup: Ilie Nastase probed for 'racial slur' against Serena Williams, sent off court for abusive remarks
Ilie Nastase used foul and abusive remarks against pregnant British captain Anna Keovathong -- whose room number he'd asked for at the press conference -- and Johanna Konta.
For the 23-year-old Bouchard, a former World No 5 who has slumped to 56th in the rankings, it was another blow after her first-round exit in Indian Wells.
Red-hot Spaniard Garbine Muguruza reached her first Australian Open quarter-final on Sunday with a resounding straight-sets thumping of Sorana Cirstea.
Top seed and world number three Agnieszka Radwanska made short work of her second round opponent at the WTA Shenzhen Open on Tuesday.