Part of complete coverage on

Courting romance: Ups and downs of tennis love affairs

It's official -- double major winner Rory McIlroy and former world No. 1 Caroline Wozniacki are no more. McIlroy says he realized he wasn't ready for marriage when their wedding invitations were mailed out. When it comes to sport, the path of true love rarely runs smooth and in this gallery, CNN looks at sporting couples who have aced their relationships and those who have seen their private lives hit the rough.

It's official -- double major winner Rory McIlroy and former world No. 1 Caroline Wozniacki are no more. McIlroy says he realized he wasn't ready for marriage when their wedding invitations were mailed out. When it comes to sport, the path of true love rarely runs smooth and in this gallery, CNN looks at sporting couples who have aced their relationships and those who have seen their private lives hit the rough.