‘Stressful’ debut as Daria Kasatkina appears as Australian player for first time

World No 12 switched allegiance from Russia last weekShe overcomes nerves to beat Lauren Davis 6-1, 6-1 in Charleston “And please welcome from Australia, Daria Kasatkina!” With those words from the MC introducing her on court at the Charleston Open on Wednesday, Australia’s latest tennis import admitted she was left feeling a bag of nerves about the advent of her new adventure.She need not have worried. For just over an hour later, following her consummate first triumph as an A