The English name translation of "Hu Yifan" is the same as Pinyin:

Hu Yifan (in English grammar, commas are used to distinguish surnames from first names)

Generally speaking, self-introduction is to say the name "Yifan" first, and then the surname "Hu":

Hu Yifan (when the first name is written before the last name, no comma is needed).

If you want to choose another homophonic English name, you can consider: Ivon, Evan, Ivan, Evon, Fred, Frank.