Both were defeated earlier
Britain's Emma Raducanu lost in three sets to unseeded Chinese player Yafan Wang.
The former US Open champion suffered from physical ailments and at one stage she had her blood pressure checked on court.
Third seed Elena Rybakina is also out.
She lost 22-20 to Russian Anna Blinkova in a mammoth deciding tie break.

Kildare SF Team (one late change) vs Wexford
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Bournmouth Sign Experienced Goalkeeper Fraser Forster On A Short-Term Contract
Crystal Palace Complete The Club Record Signing Of Brennan Johnson From Tottenham
It's The Women's National Cup Semi Finals Weekend
Donadea's Will Connors To Start For Leinster In Saturday's Clash Against Connacht
Liam Rosenior Named Leading Contender To Become Chelsea's New Head Coach
Friday Morning Sports Update