Tennis fans usually remember the amazing runs of a 17-year-old Boris Becker at Wimbledon in '85, or a 16-year-old Martina Hingis in 1997.
While these exciting youngsters offered a new style of play that would define the next few years of tennis, it has been equally exciting to cheer for the aging athletes.
Players who are no longer as dominant as they were in their teens or early 20s still have the motivation, hunger, and passion for the game to compete at the highest level.
After all, not many survive the wrath this sport has on both mind and body. Even legends like Borg, Edberg, Becker, and Wilander lost their touch after 27, and retired before 30.
Let's look at some of the most amazing victories in tennis achieved by athletes who, given their age, were never expected to win, yet gave their everything for it.
There have been many such games played, but in my opinion, these 10 matches highlight the times which these warriors stepped up their game and produced scintillating stuff.