LONDON — Barbora Krejcikova kept insisting that nobody — not her friends, not her family, not even herself — would believe she won Wimbledon for her second Grand Slam title. Her first major championship, as an unseeded player at the French Open three years ago, certainly was a surprise. This one, which came via a 6-2, 2-6, 6-4 victory over Jasmine Paolini in the final at the All England Club on Saturday, was maybe just as unpredictable, sure, but perhaps now it’s time to recognize that these sorts of results from Krejcikova are not only possible but make perfect sense. [time-brightcove not-tgx=”true”] “It’s just unreal what just happened.