I saw her play,Serena's objectively better & played tougher comp. Graf played in truly the WOAT era, made conclusive by Seles' stabbing, which left mights of ASV, Conchita Martinez, Novotna amongst others as rivals...
Comparitively Serena's rivals include Venus, Henin, Clijsters, Mauresmo, Capriati, Hingis, Mauresmo, Azarenka, Sharapova, Kvitova, Wozniaki amongst others. She has two Seena Slams in two distinct eras. She's the GOAT female athlete, tonight's fukkery doesn't diminish the last 15 seasons