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After finishing a late practice with his player, Kristina Mladenovic, a shirtless Aleksandar (Sascha) Bajin decided to do some feeding drills with the help of Kiki's brother, Luka. This is a rare look into the hitting of one of the most underrated coaches/hitting partners of the last decade, as Bajin has worked with Serena Williams, Sloane Stephens, Caroline Wozniacki and Naomi Osaka.