Where can I watch Sumo wrestling tournaments? How can I buy tickets? Find out the schedule, locations, and how to buy tickets for grand sumo tournaments on the Sumo Association website. Nihon Sumo Kyokai Related articles What kind of winter activities can we experience in Japan? Are there restrictions on bringing my medications to Japan? I would like to stay in a camper van or a tent. What campsite could you recommend? What is the best season for climbing Mt. Fuji? Is there any information regarding local festivals and seasonal events in Japan?