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Conchita Martínez began coaching Garbiñe Muguruza full-time in November 2019. Martínez, a former Wimbledon champion and Olympic medalist, brought a wealth of experience and a strong work ethic to the partnership. Under Martínez's guidance, Muguruza has achieved significant success, including winning the 2021 WTA Finals and reaching the final of the 2020 Australian Open.