Football Frontier International

The Football Frontier International (フットボールフロンティア・インターナショナル, Futtobōru Furontia Intānashonaru) is a tournament held for youth soccer teams around the world. The teams that won their preliminaries get to compete in the FFI as their countries' representatives.

Stadiums

 * Umihebi Stadium
 * Yamaneko Stadium
 * Kujaku Stadium
 * Condor Stadium
 * Umigame Stadium
 * Titanic Stadium

Block A

 * Inazuma Japan (Japan)
 * Orpheus (Italy)
 * Unicorn (America)
 * Knights of Queen (England)
 * The Empire (Argentina)

Block B

 * The Kingdom (Brazil)
 * Red Matador (Spain)
 * Rose Griffon (France)
 * Brockenborg (Germany)
 * Little Gigant (Cotarl)

Eliminated teams

 * Big Waves (Australia) - Round 1 (Asian Rep.)
 * Desert Lion (Qatar) - Semi-Finals (Asian Rep.)
 * Fire Dragon (South Korea) - Finals (Asian Rep.)
 * The Barracuda (Saudi Arabia) - Semi-Finals (Asian Rep.)
 * Red Viper (Uzbekistan) - Round 1 (Asian Rep.)
 * Southern Cross (Thailand) - Round 1 (Asian Rep.)
 * Last Emperor (China) - Round 1 (Asian Rep.)
 * The Great Horn (South Africa, played the Africa finals against Little Gigant and lost) - Finals (African Rep.)

Asia Representatives (Quarter-Finals)

 * Inazuma Japan VS. Big Waves : Win of Inazuma Japan (2-1)

Asia Representatives (Semi-Finals)

 * Inazuma Japan VS. Desert Lion : Win of Inazuma Japan (3-2)
 * Fire Dragon VS. The Barracuda : Win of Fire Dragon (4-0)

Asia Representatives (Final)

 * Inazuma Japan VS. Fire Dragon : Win of Inazuma Japan (4-3)

Africa Representatives (Final)

 * Little Gigant VS. The Great Horn ; Win of Little Gigant (4-1)

Block A

 * Inazuma Japan VS. Orpheus : Draw (Anime 3-3) / Win of Inazuma Japan (Game and manga)
 * Inazuma Japan VS. Unicorn : Win of Inazuma Japan (4-3)
 * Inazuma Japan VS. Knights of Queen : Win of Inazuma Japan (3-2)
 * Inazuma Japan VS. The Empire : Win of The Empire (1-2)
 * Orpheus VS. Unicorn : Draw (Anime) / Win of Orpheus (Game and manga) (3-2)
 * Orpheus VS. Knights of Queen : Win of Orpheus (2-1)
 * Orpheus VS. The Empire : Win of Orpheus (2-1)
 * Unicorn VS. Knights of Queen : Win of Unicorn (1-0)
 * Unicorn VS. The Empire : Win of The Empire (Anime 1-0)
 * Knights of Queen VS. The Empire : Win of Knights of Queen (1-0)

Block B

 * The Kingdom VS. Red Matador : Win of The Kingdom (2-1)
 * The Kingdom VS. Rose Griffon : Win of The Kingdom (3-0)
 * The Kingdom VS. Brockenborg : Win of The Kingdom (3-1)
 * The Kingdom VS. Little Gigant : Draw (1-1) / Win of The Kingdom (Game)
 * Red Matador VS. Rose Griffon : Win of Red Matador (2-1)
 * Red Matador VS. Brockenborg : Win of Brockenborg (1-2)
 * Red Matador VS. Little Gigant : Draw (1-1)
 * Rose Griffon VS. Brockenborg : Win of Rose Griffon (3-2)
 * Rose Griffon VS. Little Gigant : Win of Little Gigant (1-3)
 * Brockenborg VS. Little Gigant : Draw (2-2)

Semi-Finals

 * The Kingdom VS. Inazuma Japan : Win of Inazuma Japan (2-3)
 * Orpheus VS. Little Gigant : Win of Little Gigant (0-8)

Finals

 * Inazuma Japan VS. Little Gigant : Win of Inazuma Japan (3-2)

Inazuma Eleven Orion no Kokuin
In Inazuma Eleven Orion no Kokuin, the event takes place in an alternate universe where the original series' FFI never happened.

Group A

 * Inazuma Japan (Japan)
 * Invincible Giant (Spain)
 * Star Unicorn (America)
 * Navy Invader (America) (for one match)
 * Perfect Spark (Russia)

Group ?

 * France (Orion)
 * Brazil (Orion)

Eliminated teams

 * Red Bison (South Korea)
 * Shining Satans (Australia)
 * Eternal Dancers (Uzbekistan)
 * Phoenix Army of Arab (Saudi Arabia)
 * Soccer Acrobatic Troupe (China)
 * Iraq (Orion)

Asia Representative Round 1

 * Inazuma Japan vs. Red Bison ; Win of Japan (3-2)

Asia Representative Round 2

 * Inazuma Japan vs. Shining Satans ; Win of Japan (5-4)

Asia Representative Round 3

 * Inazuma Japan vs. Eternal Dancers ; Win of Japan (4-2)

Asia Representative Round 4

 * Inazuma Japan vs. Phoenix Army of Arab ; Win of Japan (2-0)
 * Soccer Acrobatic Troupe vs. Iraq ; Win of China

Asia Representative Final Match

 * Inazuma Japan vs. Soccer Acrobatic Troupe ; Win of Japan (3-2)

Group A

 * Inazuma Japan vs. Invincible Giant ; Draw (3-3)
 * Star Unicorn vs. Perfect Spark ; Win of America (2-1)
 * Inazuma Japan vs. Navy Invader ; Win of Japan (4-3)
 * Perfect Spark vs. Invincible Giant ; Win of Russia (6-0)
 * Inazuma Japan vs. Perfect Spark ; Win of Russia (3-2)
 * Invincible Giant vs. Star Unicorn ; Win of Spain (2-1)

Knockout Stage

 * Inazuma Japan vs. France (Orion) ; Win of Japan (Default)

Trivia

 * In the American dub of the anime, this is known as the Soccer Frontier International.
 * The fact that the main tournament in Orion is set up in Russia is probably a reference to the 2018 World Cup also held in Russia.