This title does not feature online multiplayer.
Q&A – Online Play
Q1. I heard that online play was coming in a future update. What happened?
Please refer to the article: Announcements → Proficient Paddles Deluxe Delisting.
Important Note
Inflamed Games and/or Nintendo may suspend or discontinue online services at their sole discretion and without prior notice. For more information, please refer to the respective Terms of Service.