World No. 5 Aryna Sabalenka admitted she felt relieved after snapping her three-match losing streak in Charleston. Sabalenka, seeded at No. 1, accepted a late wildcard into Charleston, hoping she would find a bit of form at the American clay court event. As the top-seeded player, Sabalenka had a first round bye at the tournament. On Wednesday, Sabalenka kicked off her Charleston campaign with a 7-6 (3) 6-4 win over home favorite Alison Riske 7-6 (3) 6-4. It was Sabalenka’s first win after going winless in the last month and a half. “I felt I’m super …