All credit goes to Exarion for this route, I only added a few things for my attempts. This assumes you have prior knowledge of a general Crystal Glitchless run. Pastebin version -> https://pastebin.com/9VLGxw91

EFFF STATS / Middle Poké Ball (default)

NEW BARK TOWN

• Set time to 10 a.m. (default) Sunday (default)
• Don’t take off berry

ROUTE 29

• Use Repel anywhere before grass

ROUTE 30

• Use a Repel and take the right side both times

CHERRYGROVE CITY

• Swap ember[slot 3] with scratch[slot 1]
• Rival 1: Ember+Ember

ROUTE 29

• Catch a Sentret then use a repel (need sentret for cut and surf)

ROUTE 30

• Use another repel
• Mikey: Ember, Ember+Ember

ROUTE 31

• Skip the Bitter Berry

VIOLET GYM

• Abe: Ember x3-4
• Rod: Ember x4
• Falkner: Ember x5 (Pidgeotto does 5)

VIOLET CITY

• Take the center and get the Egg

ROUTE 32

• Get the Przcureberry
• Before the grass:

  Equip the Przcureberry Use a repel

• Pick up the REPEL

UNION CAVE

• (skip x attack)
• When the previous Repel wears off:

  Use another Repel AZALEA TOWN

• Mart:

  2 SuperPotions 5 repels 1 antidote

• Skip Full Heal

SLOWPOKE WELL

• Grunt-M: Ember x4
• Grunt-F: Ember x4-5
• Grunt-M: Ember x5
• Grunt-M: Ember x2-3

AZALEA GYM

• Take left side
• Twins: Ember x2
• Paras: Ember
• (Benny: Ember x2, Ember+Scratch)
• Bugsy: Ember x4

AZALEA TOWN

• Rival 2: Ember x6

ILEX FOREST

• Repels:

  In the house On Cut teach menu Near end of the forest (heal to 45+ HP)

• Get Headbutt

GOLDENROD CITY-

• Shopping:

  5F: Sell TMs; buy TM48 3F: Buy 2 X Specials and 2 X Attacks 2F: Buy 3 Escape Ropes 3 Full Heals

• Get Bicycle
• After exiting the bike shop:

  Teach Fire Punch over Growl (slot 2) Teach Headbutt over Smokescreen (slot 4) Register bike Use bike late underground

ROUTE 35/36

• Get Kenya!!!
• (Ivan: Scratch, Ember, FP)
• (Irwin: Scratch x2, FP x2)
• Take National Park
• Cut Grass
• Deposit egg on the way back

GOLDENROD GYM

• Carrie: HB+FP
• Heal before whitney (and save?)
• Whitney: X Special, HB+FP, FP+FP
• Don’t teach Rage
• After exiting:

  Get Squirtbottle Bike to Ecruteak

ROUTE 37

• On Greg pause buffer:

  Heal to near full Use a Repel

• (Greg: HB+Scratch)
• Get Ether (Top left of sign)

BURNED TOWER

• Rival 3: X Special, FP, Ember, FP x2
• Escape Rope out & bike to Kimonos

KIMONOS

• Flareon: HB+HB
• Espeon: HB+HB (Scratch if high roll)
• Umbreon: FP+FP(+Scratch)
• Jolteon: HB+Scratch
• Vaporeon: HB+HB(+Scratch)

ECRUTEAK GYM

• Sage: Ember x5
• Sage: FP(+Ember)
• Sage: Ember, (swap FP to slot 1), FP x2
• Before Morty:

  Heal to 21+ HP Use a Repel Use Ether on Fire Punch Teach Surf to Sentret

• Morty: FP everything

ROUTE 38

• (Dana: HB, FP)
• (Olivia: HB+FP+FP?)
• Pokefan: Ember

OLIVINE CITY

• Shopping: Buy 4 Hyper Potions and 14 Super Repels
• Get early Strength if necessary for PP

LIGHTHOUSE 1

• Gentleman: HB+FP (usually can Scratch)
• Gentleman: HB x2
• Lass: HB+Scratch
• (Ernest: FP x2, HB+Scratch)
• Menu after Jasmine:

  Heal to 45+ HP (consider using the center if hit spinners?) Use a Super Repel Swap Super Repels to slot 2 Use Escape Rope

OLIVINE CITY

• Get Strength (teach on Kaylee pause buffer)
• Teach over Scratch

CIANWOOD GYM

• Headbutt priority: Poliwrath, Machoke, Hitmonlee, Primeape
• Yoshi: HB+Strength
• Lao: FP+FP(+Strength)
• Heal to 78+ HP
• Nob: FP, HB+FP
• Lung: Strength, HB+Strength, Strength
• Heal to 60+ HP
• Chuck: X Attack x2, Strength, HB+Strength

CIANWOOD CITY

• Get Fly
• Get Secretpotion, then menu:

  Use a Super Repel Teach Fly to Kenya Fly to Ecruteak (down 3)

ECRUTEAK CITY

• Go through Mt. Mortar to Lake of Rage
• (Benjamin: Strength x2, Ember)

LAKE OF RAGE -Left side of Green dude standing under lake

• Get Rare Candy (left side)
• Get Hidden Power (all the way to the right then up then left side), then Fly to Azalea (3 up)

AZALEA TOWN

• Bike to the mart
• Shopping: Buy 1 Charcoal and 3 Escape Ropes
• After exiting the shop:

  Give Charcoal to Charizard from the Pokemon menu Fly to Lake of Rage

LAKE OF RAGE

• Catch Gyarados
• Talk to Lance, then Fly to Mahogany and bike to the hideout

ROCKET HIDEOUT

• Grunt-M: Strength x2
• Grunt-M: Strength x3
• Scientist: Ember x3
• Hit the switch (skip Guard Spec.)
• (Lance heal)
• Grunt 1: HB x2
• Grunt 2 (PW): Ember x2
• Grunt 3 (PW): FP
• Executive-M: Ember, FP, Ember
• Executive-F: FP x3

  Learn Flamethrower over Ember

• Electrodes: FP
• After cutscene:

  Teach Hidden Power over Headbutt Escape Rope out

MAHOGANY GYM

• Pryce: HP, FP+FP, FP
• After exiting, Fly to Olivine (4 down) and bike to the Lighthouse

LIGHTHOUSE 2

• (Ernest: FP x2, Strength)
• After Jasmine cutscene:

  Get Rare Candy Escape Rope out Bike to the gym

OLIVINE GYM

• Jasmine: FP x3

  Learn Wing Attack over Fire Punch (use FT on Steelix if you got it early)

• After exiting, Fly to Goldenrod

GOLDENROD CITY

• Shopping: Buy 21 X Specials, 1 X Attack and 1 X Acc

RADIO TOWER 1

• Grunt 1: WA x2
• Grunt 2: FT
• Grunt 3: Strength x2
• Grunt 4: WA x2, FT(+Strength)
• Grunt 5: HP, Strength x3
• Scientist 1: FT x3
• Scientist 2: FT
• Executive-M: HP x3, FT, HP x2

UNDERGROUND

• Donald: Strength x2
• Teru: Strength x4
• Rival 4: FT x2, WA, FT x2
• Rocket 1: WA
• Rocket 2: FT, WA x2
• Rocket 3: WA, FT
• Burglar 1: WA x2
• Burglar 2: WA x3
• Rocket 4: WA x2
• Rocket 5: WA x2
• Get Max Ether!!!!!
• Rocket 6: HP x2
• Rocket 7: WA x2
• Escape Rope out, then bike to the Radio Tower

RADIO TOWER 2

• Rocket: HP x2
• Use 2 Rare Candies to reach L45

  you get instant text for teaching a move so make sure you don't teach it over anything

• Executive-M: FT
• Executive-F: FT, WA x2
• Executive-M: HP x2, WA(+WA)
• Get Radio Card, then Fly to Mahogany and bike to Ice Path

ICE PATH

• Normal strats

BLACKTHORN CITY

• Use a Super Repel a few steps before the house

BLACKTHORN GYM

• Cooltrainer-M: Strength x3
• Cooltrainer-F: HP
• Cooltrainer-M: WA, HP
• Cooltrainer-F: WA, WA+WA
• Before Clair:

  (Use a Full Heal) Heal to full Teach Whirlpool to Gyarados Teach Waterfall to Gyarados Clair: X Attack, (Full Heal), WA x3, WA+WA

DRAGON'S DEN

• Heal to 41+ HP or take slow center
• Cooltrainer: WA+WA (might have to finish with Struggle)
• After exiting:

  Use a Super Repel Escape Rope out, then Fly to New Bark Town (cursor already on items)

ROUTE 26-27

• Take heal house
• Use a Super Repel on Joyce pause buffer
• (Joyce: Strength, HP)
• Cooltrainer: WA+WA

VICTORY ROAD

• Rival 5: WA(+WA), FT x2, WA x2, FT

INDIGO PLATEAU

• Optional: Buy 11 Full Restores

ELITE FOUR

• Will: HP, HP+WA, FT x3 (WA Jynx if L50)
• Koga: X Special, WA, FT(+WA)(muk), HP, FT(forretress), WA(venomoth)
• Bruno: X Special, WA, FT, WA, FT, WA
• Karen: FT+FT, FT(+WA), WA+WA(houndoom), HP(murkrow), FT
• Before Lance:

  Heal to 86+ HP Teach Dragonbreath over Wing Attack

• Lance: X Spec x2, HP, DB x2, HP x2, DB

S.S. AQUA

• Sailor: DB x2, FT

VERMILION CITY

• Fly to Vermilion (up/down 1), then bike to the Power Plant

ROUTE 9

• Camper: HP, DB
• (Heidi: Strength x2)

POWER PLANT

• After exiting:

  Fly to Cerulean (down 2?) Bike to the gym, then Nugget Bridge

NUGGET BRIDGE

• NB1: DB
• NB2: Strength, FT
• NB3: DB, HP
• NB4: DB x2, FT
• NB5: FT
• NB6: Strength x3
• NB7: FT
• After Misty cutscene, Fly to Saffron and bike to the Celadon Gym (take right side)

CELADON GYM

• Twins: FT x2
• Picnicker: FT
• Beauty: DB x2, FT
• Erika: DB(+DB), FT x3
• After exiting, Fly to Cerulean and bike to the gym

CERULEAN GYM

• Misty: HP, Strength+Strength, X Special+HP, HP
• Get the Machine Part, then bike to the Power Plant

POWER PLANT

• Give the Machine Part, then Fly to Saffron and bike to the gym

SAFFRON GYM

• (Rebecca: Strength, FT)
• Sabrina: FT x3
• After exiting, bike to Lavender Town

LAVENDER TOWN

• (Tom: HP x3)
• After exiting the tower:

  Use a Super Repel Use Max Ether on Flamethrower Fly to Vermilion and bike to the gym

VERMILION GYM

• Gentleman: DB x2
• Surge: FT x5
• After exiting, bike to Pewter (Super Repel is already active)

PEWTER GYM

• Camper: DB
• Brock: DB, HP, DB, HP, DB
• After exiting, bike/Surf to the Cinnabar Gym

CINNABAR GYM

• Blaine: X Special, HP x2, X Special, HP
• After exiting, Surf/bike to the Fuchsia Gym

FUCHSIA GYM

• Janine: FT, HP x2, Strength x2
• After exiting, Fly to Viridian and bike to the gym

VIRIDIAN GYM

• Blue: X Special x2, FT x2, HP, FT, Strength+FT(arcanine), FT
• After exiting, Fly to Pallet (up 1)

PALLET TOWN

• After talking to Oak:

  Use a Super Repel Fly to Viridian (up 2) and bike to Mt. Silver

MT. SILVER

• On second Super Repel menu, heal to full (save)
• Red: X Special x4, DB, HP, FT, FT+FT, HP, FT