Fans will forever be ready to debate any GOAT list, and tennis is no exception. From number of titles, to expert opinion and cultural impact, there is no shortage of ways to crown the best of the best.
No GOAT list is complete without Serena Williams, the reigning major title record-holder of the Open Era. On top of almost 40 major titles, Williams's cultural impact is massive, with an Oscar-winning movie about her family released last year. Still, she isn't the richest female player in the sport; that title is claimed by Naomi Osaka.
With so many ways to measure it, we've had the pleasure of narrowing it down. Here, we name the 16 best tennis players of all time, ranked by the number of major titles to their names.