The total number of games will be added or reduced from the final score of the match's games in Tennis.
For example:
Federer is playing against Nadal and
Handicap line for Federer = -3 games
Handicap line for Nadal = +3 games
Final result is: 6:3, 6:4, 6:3
Total games won by Federer: 18
Total games won by Nadal: 10
If you bet on Federer -3 games, the handicap score is 15-10 and you win. If you bet on Nadal +3, the handicap score is 18-13 and you lose.
