Ash Barty’s 10 match winning streak against top 10 players is better than the personal best of some major WTA players this century:
9: Azarenka, Mauresmo
8: Jankovic
7: Sharapova, Kerber, Kvitova, Ivanovic
6: Radwanska, Halep, Safina, Li
5: Muguruza, Wozniacki, Stephens
4: Osaka