Her best grand slam showing was reaching the 2014 French Open final .
Halep , now coached by Australian Darren Cahill , has failed to get beyond the quarter - finals in five previous attempts at Melbourne Park .
Halep 's best grand slam showing was reaching the 2014 French Open final .
Halep , now coached by Australian Darren Cahill , has failed to get beyond the quarter - finals in five previous attempts at Melbourne Park .