You really need an attorney, for several reasons. Your question also has a common -- but incorrect assumption built into it. There are x-number of docket entries or the case has been going on since the 'oughts and that you have been forced to expend significant resources responding to various legal proceedings. Unfortunately, this does vex you, but does not make your soon-to-be ex into a "vexatious litigant."
First, only an attorney has any reasonable chance of getting the Court to control a vexatious litigant. Second, part of the purpose of an attorney is to run interference for you. Many attorneys offer free or low-cost initial consultations and this consultation may provide you with sufficient information to decide how to proceed,
You nee to file a motion limited the number o bearing he can note. There is a doctrine known as res judicata, which means the matter has already been decided. You will need to hire counsel in Wa. to act as your voice,
Please note that THESE COMMENTS ARE NOT INTENDED AS LEGAL ADVICE and are for informational purposes only. This response is not intended to create any attorney-client relationship and is only based on the limited facts given. The response might change should additional facts be learned and should not be relied on as legal advice. It is recommended that you consult with an attorney who can properly assess the situation, as well as all pertinent facts, prior to taking any action based on the foregoing statements