Tennis. The gulf between the world’s best players and the rest.

Send us Fan MailCameron Norrie's loss to Alexander Zverev in the Australian Open Tennis tournament today reveals the gulf between the top players and the rest. The match was closely contesting over five sets before being resolved in a ‘long’ tiebreak. During the match, Zverev had the more powerful serve, which left Norrie repeatedly dropping behind, facing break points, but then clawing his way back.The ebb and flow was pulsating, for Norrie supporters of dreaming of a surprise win, and Zverev one’s fearing an unexpected loss.But how close was Norrie to winning? To take a view it helps to consider how tennis ratings are calculated ...Stay up-to-date with all of Tudor's podcasts, blogs and current affairs commentary by signing up to our newsletter! Email [email protected] to sign up!Follow Tudor on Twitter @TudortweetFollow Tudor's blogs:everydaycreativity.ukleaderswedeserve.wordpress.com