Every sport has its particular scoring. For more information on other sports, check out the MISC section on our rules page.
Games won/lost - Set tie-breakers won/lost count towards "games won/lost". For example, if a player wins a match by a score of (7-6, 7-6) then they would be scored as having 14 games won and 12 games lost while their opponent would have 12 games won and 14 games lost.
Breakpoints won - Number of games a player wins while their opponent is serving.
Service games lost - Number of games a player loses while serving.
For Rivals based on certain statistics, ex. Double faults, in which case the player with the lower score is considered to have had a better performance, the player on the side of the Rival with the lowest score, accounting for potential Rival spreads, will be deemed the winning side.