Madison Keys' coach in 2023 was Bjorn Fratangelo, who is also her husband. Fratangelo, a former ATP player who retired in 2023, began coaching Keys in the spring of that year after she asked for his help following some tough losses and the departure of her previous coach. Their coaching partnership started around the 2023 French Open and has been successful, with Keys winning multiple titles and reaching significant milestones, including the 2025 Australian Open final and eventually winning the tournament
. Fratangelo initially felt uncomfortable telling Keys what to do as her coach, but they adapted well to the new dynamic, and Keys credits him for bringing subtle changes that helped elevate her game. Their relationship as coach and player has been described as a strong collaboration, blending personal and professional support effectively
