An ankle injury had threatened to derail Rybakina’s campaign even before the tournament started, but the 27-year-old shrugged off those concerns to add the U.S. Open title to her Australian Open triumph this year An ankle injury had threatened to derail Rybakina’s campaign even before the tournament started, but the 27-year-old shrugged off those concerns to add the U.S. Open title to her Australian Open triumph this year