Lexus Hybrid Challenge with Serena Williams & Juan Martin del Potro

How’s this for a challenge: As part of the Madrid Tennis Open happening this week in Spain, Lexus sponsored a contest between Serena Williams and Juan Martin Del Potro to see who could use the least amount of fuel driving the RX 450h over 100m—all while balancing a tennis ball on the hood:

I’m not sure what which is my favorite part, Del Potro’s racing suit or the giant winner’s wreathes.