No, he did not have any rivals in Greek mythology.
Hades.
Hades,
Zeus's rivals are hades god of underworld and ares the god of war
His rivals are Zeus and Poseidon, his brothers and the other 2 of the big 3. HIs rivals are acually only Poseiden
Medusa, The Furies, Hades, and Luke.
allies-ares,zeus,and poseidon rivlas-zeus
Zeus (well mostly because Poseidon was jealous) and Hades
Mostly Zeus and Poseidon but he resented all the gods as well.
Zeus rivals are any one who thought that they could beat him: the Titans, Hera, Cronus (his father), Poseidon, Hermes, Doina, etc. His rivals (or brothers) were Poseidon and Hades. You could also say he had no rivals because he was the "ruler" of all of them.
his rivals were the titans in cluding cronos posiedon , hades one of the big three ares thats all i know im sorry if i was no help to u i apollogize greatly if i do not help u
As a fact, we can never know and the only people who could tell us are the historians. Seeing whom Poseidon's rivals are though, Athena, Zeus and Hades' are the ones who would DISLIKE Perseus and they're about the closest to RIVALA.