Serena Williams and Maria Sharapova surprised tennis fans on Saturday when Williams walked out to introduce Sharapova into the International Tennis Hall of Fame. The two tennis stars shared a long rivalry that Williams described Saturday as “so electric and so iconic.

Serena Williams and Maria Sharapova shared a tense tennis rivalry that would last decades – but now the stars have reunited in a surprise appearance that saw Serena induct Maria into the International Tennis Hall of Fame.

Describing her former competitor, Serena referred to Sharapova as “former rival, former fan, and forever friend.” The phrase not only captured the evolution of their relationship but also set the tone for one of the most memorable Hall of Fame moments in years.