British number one Johanna Konta believes she has done everything she can to be ready for her first meeting with 22-time Grand Slam winner Serena Williams at the Australian Open.
Konta, 25, will face second seed Williams in the quarter-finals at around 02:00 GMT on Wednesday.
“I’ve played quite a few Grand Slam champions and former world number ones,” said world number nine Konta.
“So I’ve prepared myself as much as possible for a competitor like Serena.”
Konta beat Russian 30th seed Ekaterina Makarova 6-1 6-4 to reach the last eight without dropping a set.
She has a 2-1 winning record over Serena’s sister Venus – a nine-time Grand Slam winner and former world number one – including a first-round victory at last year’s Australian Open.
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