If the RotS novel isn't canon, then I don't think there's a source for his amp. Whether or not Sidious played the fight is indeed up for discussion, though. And I am in favor of that, so I guess Mace's showing there doesn't really put him above the names you mentioned.
If so, however, what exactly puts Mace above the next few names? Reaching an impasse with Talzin and briefly clashing blades with Maul is hardly above Anakin and Dooku.