For those of you willing to read the brief (page 9 of the document in question, if you want to jump to the specific request statement) at the below link, it's an actual legal filing requesting trial by personal combat. With a brief history of the practice to show precedent no less!
https://iapps.courts.state.ny.us/nyscef/ViewDocument?docIndex=baNbN9lJUgJh_PLUS_VQ9ZDKUfw==
https://iapps.courts.state.ny.us/nyscef/ViewDocument?docIndex=baNbN9lJUgJh_PLUS_VQ9ZDKUfw==