Spaniard Roberto Bautista-Agut is one of the ATP Tour’s most solid ball strikers with his rather flat, varied yet dependable play. At the time of writing he has just beaten compatriot David Ferrer in the third round of the 2017 Australian Open. Bautista-Agut endorses the Wilson Pro Staff 97 but what is under the paint, like so many other players, like Dan Evans, Philipp Kohlschreiber or Juan-Martin Del Potro, is a …
