The Switch Goffin, Nadal Hit When Transitioning To Clay Apr 19, 2018 Infosys ATP Beyond The Numbers shows how some of the best improve their game from hard to clay. Yann Coatsaliou/AFP/Getty Images photo. Tags: 2018 David Goffin Infosys Masters 1000 Monte-Carlo Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus