Open your phone
No login. No feed. No setup at the arena.
Understand what everyone around you is reacting to—while it is happening.
“Why are they throwing salt?”
“Why won’t they start fighting?”
“Why did everyone just explode?”

You already made the trip to sumo. SUMO DAY helps that rare day feel less confusing—and much more alive.
Try it before your trip →Not another guidebook to finish before your trip. SUMO DAY works at the exact moment curiosity hits.
No login. No feed. No setup at the arena.
Salt. Banners. A ceremony. Something strange.
Understand it in under a minute. Watch the next ten.
Rituals, rules, ranks and techniques—without turning your day into homework.
Know what is happening.The fists, footwork, voices, colors, and tiny signals Japanese fans notice.
See what Japan sees.Judges in the ring? A full rematch? A bow on the floor? Know when you got lucky.
Catch the rare moment.The free seven show the reading experience. The paid Trip Pass adds the navigation and rare-moment coverage that matter when something happens without warning.
Reach the answer you need from the paid home in two taps or fewer.
Learn the small signals that make the next bout more interesting.
Plus all 14 Sumo Spotting moments and your day’s Scorecard.
Color, routine, sound, timing. SUMO DAY turns details around the arena into things you know to look for.
Preview Local Mode
Try the basics, a rare judges’ conference, and the local detail that reveals why the sand outside the ring matters.
Start the free 7Direct answers, first-hand Ryogoku photographs, and the next detail to watch. Facts are reviewed against Japan Sumo Association materials.
The simple viewing rhythm that makes the whole day easier to follow.
Read the free guide →RITUALThe meaning—and the personal detail to watch immediately afterward.
Read the free guide →BEFORE THE BOUTWhat shikiri is and the strongest clue that the real start is close.
Read the free guide →FIVE SECONDSThree things to follow when everything happens at once.
Read the free guide →MONEY AROUND THE RINGKensho sponsorship, prize envelopes, and what the winner does next.
Read the free guide →No live scores. No notifications. No endless scrolling. No individual advice. No ticket arrangement.
The seven free cards show the complete reading experience. This catalog shows the exact breadth of the paid companion without revealing the answers.
Up to 4 people on up to 4 devices · $7.25 each when shared by four · No subscription
US$29 one-time for one travel party. Applicable transaction tax and the final total are shown at checkout. The access link and key are normally sent immediately after payment; content access begins after device activation and lasts for up to one year, subject to the licence expiry shown with the order. Internet access and a current browser are required; offline access is not guaranteed. Change of mind, travel or event changes, non-attendance, and non-use are not refundable after usable access credentials are delivered. The Refund Policy explains technical failures, material description differences, and legal rights. Lemon Squeezy is the merchant of record for payment, applicable transaction taxes, receipts, and payment refunds.
The arena companion stays ad-free. These separate planning guides help with the decisions around it.