Quarterfinals update: I am currently in the lead with 9 quarterfinalists (5 men, 4 women) to your 8 quarterfinalists (3 men, 5 women).  Both my champion picks are still in the draw, while you only have a shot with the women's champ (Sabalenka for both of us).  You have more potential semifinalists than I do (2 men, 3 women to my 2 men and 1 woman).
I'm picking up 2 points for my Ostapenko biggest loser (1 place off from Sakkari), while none of us pick up points for the men's biggest loser, Tsitsipas.