Photon beats Flash: Monica just becomes invisible and intangible and kills him. There's nothing he can do to her while there are a lot of ways she can kill him.
Sersi beats Dr Fate: Sersi has thousands of years of experience and is a fifth level adept in molecular manipulation, the highest of all Eternals.
Tigra beats Hourman
Namor beats Stargirl
Sentinel beats Captain America
Thor beats Captain Marvel
Black Adam beats Hercules

Sentinel and Black Adam fall to the rest of the Avengers