Fritz

TORONTO — The same serve that staked Taylor Fritz to an early advantage over Andrey Rublev helped save his bacon after a second-set wobble tilted the match from firmly in Fritz’s control to a contest that suddenly felt up for grabs. In the end, though, Fritz put a fitting exclamation point on his performance by officially dispatching Rublev with his 20th ace on Centre Court at Sobeys Stadium.

Fritz booked his spot in the semifinals of the National Bank Open presented by Rogers with a two-set (6-3...