>> A party facing prospective injury has standing to sue where the threatened injury is real, immediate, and direct <<
>> a realistic and impending threat of direct injury <<
If you think a federal court would buy a claim by Trump using either of those descriptions, so as to give him standing, then I’ve got a bridge to Brooklyn for you.
Why don’t you actually read the case and perhaps the countless others in which a candidate (for offices less than President in most cases) has been held to have standing. Have you ever had any experience in working on an election case? I expect not.