Tennis - ATP World Tour — Thanasi Kokkinakis RSS

Watch highlights from Saturday's action at the Miami Open as Thanasi Kokkinakis, Alexander Zverev and Nick Kyrgios post wins on Saturday. Watch live tennis at tennistv.com. Photo Credit: Peter Staples/Miami Open presented by Itau

Age is just a number, right? Especially these days, players in their 30s play as if they're in their 20s, and players in their 20s bounce back as if they're in their late teens. Aussie Thanasi Kokkinakis completely agrees. The 21-year-old doesn't feel like he's only two years removed from his teenaged years. Kokkinakis, who's spent the past two seasons battling injuries, feels closer to the age of his second-round opponent, Roger Federer. “I feel like a bit of a veteran in some ways. I'm 21, but I feel a lot older. I don't know if that's a good thing, probably a bad thing. I definitely feel like I'm in my late 30s, at least,” Kokkinakis told ATPWorldTour.com. Watch: Kokkinakis...

Thanasi Kokkinakis reacts to his victory over World No. 1 in the second round of the Miami Open presented by Itau. Watch live tennis at tennistv.com.

After a couple of years "off the radar", #NextGenATP Aussie Thanasai Kokkinakis is ready to make a big impact against Roger Federer at the Miami Open Saturday.