This pro stock Wilson racket belonged to Kei Nishikori, and was match used and signed by him. The racket is in the glossy Wilson Burn cosmetic, and features his name "Kei" inside the throat. The racket was used by Nishikori during the 2017 Australian Open, where Nishikori lost in the 4th Round to Roger Federer in an epic 5-set match. Federer went on to win the title, his 18th Grand Slam. The racket still has the Yonex stringing sticker from the Australian Open, with tension 51 pounds in the mains and 49 pounds in the crosses. The stringing sticker displays the date 22-Jan-2017, which is the date of Nishikori's match against Federer. Nishikori later signed the racket on the grip.