While former world number one Venus suffers from the condition Sjogren's Syndrome which can sap her of energy, Germany's Tommy Haas, the oldest man in the draw at 37, has been patched up after a career blighted by injury.
Venus Williams blazed a trail for Wimbledon's elders on the opening day of the championships on Monday with a 6-0 6-0 hammering of fellow American Madison Brengle.
In her 18th main draw appearance at the All England Club where she has triumphed five times in a glittering career, the 35-year-old rolled back the years with a devastating display against a star-struck rival 10 years her junior.
The American is one of 54 singles players aged 30 or over in the main draws here -- proof that despite the emergence of the likes of teenagers such as Belinda Bencic and Borna Coric, experience and class can still hold sway.
"I don't necessarily have an opinion about everyone else," 16th seed Williams, who could face 33-year-old Grand Slam chasing sister Serena in the fourth round, told reporters. "I think that tennis players have the ability to play a longer time than they have in the past and people are capitalising on it. It's a great job. It's fun out here. You can only do it for a little while in comparison to how long you won't be doing it. So that's my whole thing."
While former world number one Venus suffers from the condition Sjogren's Syndrome which can sap her of energy, Germany's Tommy Haas, the oldest man in the draw at 37, has been patched up after a career blighted by injury.
The former world number two has only recently made yet another comeback after a year out following shoulder surgery, but produced an eye-catching performance to beat Dusan Lajovic of Serbia 6-2 6-3 4-6 6-2.
In doing so he became the oldest man to win a match at Wimbledon since Jimmy Connors in 1991, when the American was 38.
"I'd be lying if I said that I do not care. I think that's really cool," Haas, who demonstrated the noble art of serve and volley throughout his match, told reporters. "I am very happy to once again be here in Wimbledon."
He will face Canadian young gun Milos Raonic next.
Plenty more of the 30 somethings lived to fight another day, although 34-year-old Lleyton Hewitt, the 2002 champion, perished. His final match at Wimbledon will join a long list of epics the Australian has contested though, even if an 11-9 deciding set loss to 33-year-old Jarkko Nieminen will hurt.
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 "Venus Williams at Wimbledon 2015")
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