Guitar repair hero and tennis-racquet expert Ethan Lee rejoins Thirty Love host Carl Bialik to talk about Lee's idea for a new kind of tennis tiebreaker: the Aphabreaker, in which not every point is created equal. Lee explains how his innovation puts the serve in its rightful place and suggests ways tennis can embrace new formats to find the best ones it's never tried.

Have a suggestion for a Thirty Love guest? Email Carl at [email protected]

Music by Lee Rosevere: "Credit Roll" and "Glass Android."