MELBOURNE, Australia (AP) — In keeping with the way this Australian Open has been going, Andy Murray was asked following a quarterfinal win Wednesday about the state of his game. And then, invariably, about the integrity of his sport.

Murray and a much lesser-known British player, Johanna Konta, advanced to the semifinals Wednesday. Murray beat David Ferrer 6-3, 6-7 (5), 6-2, 6-3 to reach the...