The end of grass-court season signals the start of training time for many players.
Transitioning from the lower bounces of lawn tennis to the grittier hard courts and heat of the North American summer season requires practice and preparation.
Have you noticed several pros are getting pretty creative in their cross-training pursuits?
Here are some of our favorites from recent weeks.
We know Venus Williams floats like a butterfly on court, looks like Vee can sting like a Bee in the ring, too.
Thanasi Kokkinakis, a frequent practice and sometime doubles partner of Andy Murray, knows the training ropes.
Donna Vekic turns the rocky Monaco coast into an obstacle climbing course.
We've seen the punishing accuracy of Rafael Nadal's left arm. He's on target with his left foot, too.
Kristina Mladenovic learned at an early age to keep her eyes—and feet—on the ball.
How many players have you seen turn a walk down the hall to the gym into a dribbling exhibition while holding cell phone as Garbine Muguruza shows us here.
Walking to the lounge gives Garbine Muguruza time to get her kicks in.
Carla Suarez Navarro raises the bar on the challenge of juggling while balancing on the ball.
This is what can happen to Nick Kyrgios's practice partners after losing a bet. Ouch.Warning to all potential practice partners of Nick Kyrgios: Do not turn your back on this man when he's armed with a ball. Ouch.
d tournaments problem-solving inside the rectangular court. Several players
Sloane Stephens shows old-school skills —and strong shoulders —in her approach.
The Grigor Dimitrov workout (designed for multi-taskers): clean-up the environment, clear your lungs and recycle used tires simultaneously.
Nebraska Cornhusker fan Jack Sock fuses his two inspirations—football and the iditarod—into action.
How come opponents find it so hard to knock off Serena Williams ? The world No. 1 is a skilled tumbler who always seems to land on her feet.
Yup
A video posted by Serena Williams (@serenawilliams) on
Let's not forget about champions rehabbing from injuries.