Australias Talia Gibson stunned by Great Britain teenager Mika Stojsavljevic in BJK Cup opener

17-year-old beats in-form Australian 7-6(4), 7-5 in MelbourneKimberly Birrell meets Harriet Dart in second Billie Jean King Cup clashAustralias quest to win a place in the Billie Jean King Cup finals is off to the worst possible start with spearhead Talia Gibson a shock loser to British teen Mika Stojsavljevic.Gibson was expected to get the tie at Melbournes John Cain Arena off to a flying start on Friday for the home side, but she fell 7-6 (7-4) 7-5 to the lowly-ranked 17-year-old.