A dodged it because the sharingan couldn't track his movements.
Minato's speed > A's speed. Why you think Sasuke will be able to track Minato's speed I do not know. You probably think Minato will just stand there waiting for Sasuke to make his move - that's not how things work in Yondaime's fights, especially if both have knowledge on eachother. Minato has a legit way of bypassing Susanoo via the Hiraishin
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, and from there it's a simple shunshin/rasengan combo. Even without Hiraishin, I think you're underrating Minato's shunshin feats; you do know that he body flickered across Konoha here,
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? Nothing in Sasuke's arsenal has a chance of hitting Minato, nothing whatsoever (Not Amaterasu, not Susanoo Arrow, not Enton,
nothing). Sasuke's eyes won't be able to track teleportation which is occuring faster than the speed of thought, so any form of genjutsu is made rendundant since eye contact is needed.