American John Isner captured his fourth title at the ATP grass-court tournament at Newport, Rhode Island, beating Alexander Bublik 7-6 (7/2), 6-3. Bublik, the seventh-seeded 22-year-old from Kazakhstan who was playing in his first ATP final, double-faulted on break point to fall behind 3-2 in the second set, and that was the only opening the big-serving Isner needed.