What is the Total Games - 3rd Set Over/Under 12.5 market?
A
bet on the third set's
total games to be
over or
under 12.5. Betting on
over means this set must be a tiebreak and you will find the same
odds for their "To Be A Tiebreak" in the set. This is unless this match is at a tournament that does not have a Tiebreaker in the third set.
Under is any other score in the third set.