Russian-born former world No 8 has found a source of optimism in Australian ‘chill’ while getting used to peculiarities of life in her new countryDaria Kasatkina wants Australia to call her something else. “I think ‘Dasha’ is better,” says the former Russian. “Daria is more like an official name which is written in my passport, so I prefer Dasha because it’s just less … formal.”There has been upheaval in the life of the 28-year-old, mu