Ukrainian tennis players Elina Svitolina, Dayana Yastremska, and Marta Kostyuk have successfully navigated the first round of competition at the Australian Open, according to match results. Australian Open, 1st round, women’s singles Svitolina – Preston – 2:0 (6:2, 6:2) Yastremska – Vondrousova – 2:0 (6:1, 6:2) Kostyuk – Liu – 2:1 (6:3, 4:6, 6:1) Ukraine’s top-ranked player, Svitolina, only spent an hour on the court. Wildcard entrant Tayla Preston, the Australian opponent, conceded just four games. Although the match started with a double exchange of breaks, Svitolina took full control afterw…