Tennis fans amused by “23” detail on Novak Djokovic's tennis shoes - HowTheyPlay News
Novak Djokovic to launch new tennis shoe with Asics
Mens Gel-Resolution 7 Novak Djokovic Tennis Shoes White and Green - Walmart.com
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Slam pride! 'Number 23' imprinted on Novak Djokovic's shoes
Novak Djokovic plays at Wimbledon with the number '23' printed on his white tennis shoes | AP News
Novak signs with Asics Footwear, introduces new shoe – Novak Djokovic
Tennis Warehouse - Shoe of choice for world #1, Novak Djokovic! The Asics Court FF 2 features the best of all worlds and should be on any player's list of must-try