Italian Andreas Seppi has survived two five-set battles in the Australian Open 2017 and now has a huge test on his hands when he plays Stan Wawrinka in the fourth round (see my predictions here). Seppi doesn’t use any of the big name racquet brands such as Wilson, Babolat, Yonex or Head, but a smaller Taiwanese company called ProKennex. ProKennex has focused on tennis elbow friendly technology they call “kinetic”. …
