You cannot shove the sumo wrestler, but you can jump to one side after another. He will try to charge at you so jump to the other side. If you continuously do this, he should charge his way off the platform, which means you have won that round.
You can "fight" a sumo wrestler in Red Dragon island and on the free mini game inspired by the island.
you have to win the sumo wrestling match and when you do the sumo wrestler will get mad and Basho will save you. then he will say that you can come to his cottage to train with him.
All you have to do is fight the sumo wrestler (who you just have to jump over when he attacks) and get trained as a ninja.
The island that has sumo-wrestling in it is the Red Dragon.
Basho is in the small hut on the water who offers you the haiku. First, for him to be revealed to you, you have to win the Sumo-Wrestler match.
Run away from the big sumo wrestler and whe he gets all steamed up jump so he misses you.
first you have to beat the sumo wrestler and then you have to become and ninja and you these special gadgets and then you can climb up the mountain
Just hit close and then you can ask the Yokozuna's manager "Can I help?" again.
There is no "Sumo Island." The island that features ancient Japan and a sumo challenge is Red Dragon Island. (see the related question)
If you are talking about Red Dragon Island, someone drops their scissors while the sumo wrestler crosses the bridge. This will happen after you fix the bridge.
When he growls, he is going to stomp. Jump into the air to avoid being knocked down. When he runs at you, jump over him. After a few times, he will get red in the face and rush headlong at you. If you jump him then, he will rush off the mat and lose.
You go to the sumo wrestling place and do Kanji copies, then sumo wrestle. You have to defeat the Yokozuna (champion), which makes the policeman lose his bet.