Novak IS the GOAT on AO and GOAT at all. Sinner defeat the GOAT, not UNBEATABLE GOAT. Novak (and other players, inluding Sinner) hate playing at sun at 40 degrees, winning or losing. What is not clear to you?
Novak fans when he loses: “Novak hates playing in the sun”
/Usopen56 
/Abhinandan