The infection was identified quickly at the hospital and treatment, including medicines from abroad, was given immediately to the 14-year-old boy, say doctors
After a 1-1 draw in regular time, the match went into overtime, where Olmo's precise cross to the near post enabled Merino to score the winning goal with a header.
World No. 298 Kartal confidently entered the court on Friday as only the second British woman in the Open Era to reach the third round through qualifying.