Stan Wawrinka hopes to keep playing tennis for a long time and wants to emulate Roger Federer in terms of career longevity. In March, Wawrinka will turn 31, but the Swiss hopes that Father Time won’t catch up with him too soon.

The World No. 4 spent the last two years of his career outside the top 10 of the world rankings. He didn’t win his maiden grand slam title until the age of 28 at the 2014 Australian Open. After winning in Melbourne, Wawrinka achieved his career-high best rank at the third spot. He later won his first Masters’ 1000 title a few months later, defeating Federer at the Monte Carlo Rolex Masters 4-6 7-6(5) 6-2.

This season, Wawrinka won four titles, including his second grand slam trophy when he beat Novak Djokovic in the finals of the 2015 Roland Garros 4-6 6-4 6-3 6-4. He is one of the players who had a late-career bloom, and he doesn’t want to stop there. The two-time grand slam champion said that he takes inspiration from Federer, who is still playing at an exceptional level at 34 years old.

“When I see Federer, I say myself that I can keep going on for many years,” Wawrinka said in an interview, as quoted by Tennis World.

With the Olympic Games looming, Wawrinka also revealed that his mind is not yet made up on whether or not he will take part in the men’s doubles event with Federer. He said he may only play in the singles event as he needs to ensure he is well-rested and physically fit next season.

“I don’t want to hurry to take a decision because you’ve to put together many things like seeing if you’re healthy,” he said.

Meanwhile, Wawrinka is set to make an appearance in the final leg of the 2015 International Premier Tennis League (IPTL). Wawrinka will play for the OUE Singapore Slammers in front of their home crowd from Dec. 18 to Dec. 20.

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