Mateo Berrettini – one of the hardest hitting player on the tour, at least on the forehand side and the serve. What racket enables him to hit those crazy powerful shots? A very powerful one, that is for sure. The racket has got a lot of so-called “power markers”: 100 sq. inch head size, thick beam, open string pattern, powerful string, high swing weight and mass. Take a look at the specs provided by mptennislab on Instagram: