Keys saved a match point before winning in a final set tie-break while Sabalenka saw off close friend Paula Badosa.
The American advanced to the final with a roller-coaster victory that was so intense she couldn't recall one very important point.
How much could you earn in just six hours of work? Iga Swiatek has racked up a stunning cheque after reaching the Australian Open semi-finals in speedy fashion. There is not much going wrong for ...