Important Battles

Rival 1 Battle 1 (Feetburp Town, when you go to Route 1 after getting your starter)

Rival 2 Battle 1 (Cboski Town, when getting the Feet to give back to the professor)

Rival 1 Battle 2 (Amngus City, infront of the first Gym after finishing the Wwv Building)

??? (Amngus Gym, first Gym Leader battle)

Feet Sandwic Battle 1 (Amngus City, when you go to Route 4 after beating the first Gym)

Team Vurp Admin 1 Battle 1 (Eurh Area, beating this battle gives you the first boat ticket from Feetburp Town to Kts City)

Rival 2 Battle 2 (Kts City, when you get off of the boat from Feetburp Town)

Team Vurp Admin 2 (secret identity) Battle 1 (Uzu Area, beating this battle allows you to challenge the second Gym)

??? (Kts Gym, second Gym Leader battle)

Rival 1 Battle 3 (Route 6)

Feet Sandwic Battle 2 (Gdz Town, when you first arrive there)

Team Vurp Admin 3 & Admin 4 Battle 1 (Aomgus Tunnel, beating this battle gives you the boat ticket to get back from Kts City to Feetburp Town)

Rival 2 Battle 3 (on the boat back to Feetburp Town, you get the HM Rock Smash here)

Team Vurp Admin 5 Battle 1 (Jkfeet Ruins, beating this battle allows you to challenge the third Gym)

??? (Suussy Gym, third Gym Leader battle)

Rival 1 Battle 4 (Route 10)

Feet Sandwic Battle 3 (Gqqgqggq City, infront of the fourth Gym before it turns out it's closed)

Team Vurp Admin 6 Battle 1 (Burpfeet Cave)

Team Vurp Admin 7 Battle 1 (Team Vurp Hideout)

Team Vurp Fake Leader Battle 1 (Team Vurp Hideout, beating this battle gives you the second boat ticket from Feetburp Town to Kts City and the HM Strength)

Suusfeet & Amogfeet Battle 1 (Amo-Ngus Passage)

Suus Feet & Amog Feet Battle 2 (Whentheimpostissus Cave & Whentheimpostissus City)

Rival 2 Battle 4 (on the boat back to Feetburp Town, you get the HM Fly here, and also the 4th Gym only unlocks when you win this battle)

Gusn (Gqqgqggq Gym, fourth Gym Leader battle)

Feetamon (Cboski Gym, fifth Gym Leader battle)

Rival 1 Battle 5 (Burpfeet City, to get the ticket to the other side of the region)

East Amogn:

Team Vurp Admin 7 & Admin 2 Battle 2 (Team Vurp Secret Base, needed to unlock the Wild Area)

Rival 2 Battle 5 (Wurp City, infront of the Gym)

??? (Wurp Gym, sixth Gym Leader battle)

Team Vurp Admin 6 Battle 2 (Ngusngus, beating this battle allows you to go to Route 15 from Eurp Town)

Maria (Uurp Gym, seventh Gym Leader battle)

Team Vurp Admin 1 & Admin 5 Battle 2 (Feetk)

Team Vurp Admin 3 & Admin 4 Battle 2 (Sussitsopmiehtnehw Cave)

Team Vurp Fake Leader Battle 2 (Sussitsopmiehtnehw Core)

Team Vurp Real Leader Battle (Sussitsopmiehtnehw Core, this is the final Team Vurp battle of the game, and after beating this battle, you can access Ffgfg City)

Rival 2 Battle 6 (Ffgfg City, infront of the Gym, you also get the HM Waterfall after this battle)

??? (Ffgfg Gym, eighth Gym Leader battle)

Rival 1 Battle 6 (Victory Road,)

??? (Pokemon League, first Elite Four battle)

??? (Pokemon League, second Elite Four battle)

??? (Pokemon League, third Elite Four battle)

??? (Pokemon League, fourth Elite Four battle)

Feet Sandwic Battle 4 (Pokemon League, Champion battle)

Postgame:

Gym Leader Rematches

Suus Feet & Amog Feet Battle 3 (Route 18)

??? (Amonfgus Gym, first Secret Gym Leader battle)

??? (Amonqgus Gym, second Secret Gym Leader battle)

??? (Amonhgus Gym, third Secret Gym Leader battle)

??? (Amonmgus Gym, fourth Secret Gym Leader battle)

??? (Amonggus Gym, fifth Secret Gym Leader battle)

Rival 1 Battle 7/Rematch (Mong Tower)

Rival 2 Battle 7/Rematch (Mong Tower)

??? (H Gym, sixth Secret Gym Leader battle)

Secret Gym Leader Rematches

Pokemon League Rematches (the champion battle is replaced with either one of your rivals or Feet Sandwic again)