Trump's big problem is getting past local courts, which he legally must do before involving the supreme court. I can't see any local court passing anything on to the supreme court when there is a complete lack of evidence of significant voter fraud nationwide, or anywhere locally.
Furthermore, he is insulting states by accusing them of allowing voter fraud, which is no way to garner local court approval of his lawsuits. They will almost certainly find there is no case to answer.
The trouble is, he simply cannot accept that he has lost. It is not part of his deranged mindset. He daren't consider it because civilian life will see multiple lawsuits from the tax authorities, strings of women, and huge debt repayments. He won't be able to run again because he will be in jail, like as not, and the Trump brand will become completely toxic, so any of his dimwitted family won't be selected to run for the presidency either.