The fight to go either direction,
The fight to be considered a guaranteed victory,
The fight to be one-shot range for the stronger fighter,
The fight to be tank range for the stronger fighter
One shot range and tank range should be equal. Durability ~ Strength. Punch from enemy that does 0 damage ~ Punch from strong guy that does 100% damage.
Gaps from confirmed fights:
>1.0909x (Vegeta vs non monster Zarbon)
1.125x (Vegeta vs KKx2 Goku)
1.3333x or 1.5x or 1.7143x (Vegeta vs Kyui) or (60k Goku vs 40k Reacoom) or (60k Goku vs 35k Reacoom). Depends on whether you consider Vegeta vs Kyui a one shot