Watson falls at first hurdle

Watson gave up 14 break points and lost her serve seven times in a hard-fought match lasting more than two and a half hours.

Two of those came in a first set that Watson lost 6-3 and the two subsequent sets contained five breaks each.

Watson took the second to level the match but Vekic came again to win through 6-3 4-6 7-5 and set up a clash with either Madison Brengle or Edina Gallovits-Hall in South Carolina.