Another young, big-hitting American is Noah Rubin. He runs fast and swings fast, but is maybe not the most versatile tennis player in the world (yet). He uses a Head Instinct pro stock mould with the pro stock code TGT 297.1 strung with the ever-popular Solinco Hyper-G 16L. I’m unsure about the exact specs in terms of stiffness because most Head pro stocks has a sub-number, in this case the “.1” …
