KickServeRadio.com puts American tennis under a microscope, as Mats and AZ chop it up bigtime with Tom Gullikson. "Things have changed a lot, since my brother Tim was #19 in the world, and not even in the top 10 in the US."

Mats, Jonny, and AZ examine how much of this clay-court season we can use to figure whether or not Rafa is still invincible at RG, and has Ash Barty proven on the dirt that she truly is #1 on the planet? Learn more about your ad choices. Visit megaphone.fm/adchoices