Raducanu should have won this match more easily. Oliynykova is ranked inside the world’s top 100 but her win against Chinese fourth seed Wang Xinyu in her quarter-final was her first against a top-50 opponent and this was her first WTA Tour semi-final. However, there were signs right from the off that the “bat girl” might prove a pain in the neck for Raducanu. Raducanu’s cleaner ball-striking and fewer errors eventually saw her break her opponent at 4-4 in the first set and the 23-year-old served out to love. But after going 3-1 up at the start of the second set, Raducanu lost focus. Her first-serve percentage dropped, her unforced error count crept up and three breaks of serve in four service games allowed Oliynykova, showing Dracula-like powers of resurrection and hitting endless moon balls, to level at one set all. The deciding set, for which Raducanu changed her outfit, was a mad, see-sawing affair. Raducanu went a break down, then won four games on the trot (including a run of 16 straight points at …