Duelist Kingdom

Opponent(s) Episode(s) Outcome(s)
Tournament Duelists 2 Win (off-screen)
Weevil Underwood or Rex Raptor 2 Lose (off-screen)[Notes 1]
Unknown Duelist 7 Win
Yugi Muto/Yami Yugi 7 Lose

During the Duelist Kingdom tournament, Mako used a Deck comprising of sea creatures. He took advantage of the field bonus element of the tournament by Dueling near water to ensure his monsters were hidden under the water field and gained field power bonuses. He had no Magic or Trap Cards shown in his Duels.

Anime Deck - Season 1

Battle City

Opponent(s) Episode(s) Outcome
3 Battle City duelists 68 Win (mentioned)
Joey Wheeler 68 - 69 Lose
Espa Roba 224 Not shown

In the Battle City tournament, Mako relied on the abilities of "Umi", primarily to conceal his monster's identities. He also used cards such as "The Legendary Fisherman" and "Tornado Wall" with his Field Spell Card. His rarest card was "Fortress Whale".

Anime Deck - Season 2


Duelist Kingdom
Battle City

Video games

Duel Monsters

in Yu-Gi-Oh! Duel Monsters, Ryota Kajiki appears as an opponent in the sea area of the Duelist Kingdom island. Ryuzaki uses an Water-themed Deck. His strongest card is Octoberser, and his only card carried over from the manga is Jellyfish.

Cards Used By Ryota

Dark Duel Stories

Mako appears in Dark Duel Stories as one of the first tier opponents. True to his appearance in the manga, his deck is centered around water-type monsters, with his signature card shown to be Fortress Whale. Another key card he used in Battle City is Umi.


Duel Monsters 4: Battle of Great Duelist

Mako appears again in Yu-Gi-Oh! Duel Monsters 4: Battle of Great Duelist, apart of the Battle City tournament; his key card still being Fortress Whale. A first tier duelist, Mako's WATER deck remains similar to the previous, however it has been weakened to adhere to the new rules introduced in the game.


Worldwide Edition: Stairway to the Destined Duel


World Championship Tournament 2004

A Legendary Ocean

The Dawn of Destiny

The Dawn of Destiny Deck

Nightmare Troubadour

Big Catch
Big Haul
Legendary Ocean
Deck Recipe
Sea Stealth

Capsule Coliseum

Sea of Miracles


  1. Mako Tsunami was known to lose to either Weevil or Rex as he placed third in the Japanese Nationals.
  2. 2.0 2.1 He lost this card to Joey Wheeler during episode 69.