Top 5 Challenger Hot Shots Of February 2018 Mar 03, 2018 Watch the five best Hot Shots from the ATP Challenger Tour in the month of February, featuring Roberto Quiroz, Nikola Cacic, Jonny O'Mara, Dustin Brown and John Millman. Tags: 2018 Challenger Dustin Brown Hot Shot John Millman Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus