diff --git a/src/data/ability.ts b/src/data/ability.ts
index 40c3d1e5a85..97e060052f3 100644
--- a/src/data/ability.ts
+++ b/src/data/ability.ts
@@ -2472,6 +2472,17 @@ export class NoFusionAbilityAbAttr extends AbAttr {
   }
 }
 
+export class StallAbAttr extends AbAttr {
+  constructor() {
+    super(false);
+  }
+
+  apply(pokemon: Pokemon, passive: boolean, cancelled: Utils.BooleanHolder, args: any[]): boolean {
+    args[0].value = true;
+    return true;
+  }
+}
+
 function applyAbAttrsInternal<TAttr extends AbAttr>(attrType: { new(...args: any[]): TAttr },
   pokemon: Pokemon, applyFunc: AbAttrApplyFunc<TAttr>, args: any[], isAsync: boolean = false, showAbilityInstant: boolean = false, quiet: boolean = false, passive: boolean = false): Promise<void> {
   return new Promise(resolve => {
@@ -2947,7 +2958,7 @@ export function initAbilities() {
       .attr(AlwaysHitAbAttr)
       .attr(DoubleBattleChanceAbAttr),
     new Ability(Abilities.STALL, 4)
-      .unimplemented(),
+      .attr(StallAbAttr),
     new Ability(Abilities.TECHNICIAN, 4)
       .attr(MovePowerBoostAbAttr, (user, target, move) => move.power <= 60, 1.5),
     new Ability(Abilities.LEAF_GUARD, 4)
diff --git a/src/phases.ts b/src/phases.ts
index cc493ce980a..e393041f395 100644
--- a/src/phases.ts
+++ b/src/phases.ts
@@ -30,7 +30,7 @@ import { Weather, WeatherType, getRandomWeatherType, getTerrainBlockMessage, get
 import { TempBattleStat } from "./data/temp-battle-stat";
 import { ArenaTagSide, ArenaTrapTag, MistTag, TrickRoomTag } from "./data/arena-tag";
 import { ArenaTagType } from "./data/enums/arena-tag-type";
-import { CheckTrappedAbAttr, IgnoreOpponentStatChangesAbAttr, PostAttackAbAttr, PostBattleAbAttr, PostDefendAbAttr, PostSummonAbAttr, PostTurnAbAttr, PostWeatherLapseAbAttr, PreSwitchOutAbAttr, PreWeatherDamageAbAttr, ProtectStatAbAttr, RedirectMoveAbAttr, RunSuccessAbAttr, StatChangeMultiplierAbAttr, SuppressWeatherEffectAbAttr, SyncEncounterNatureAbAttr, applyAbAttrs, applyCheckTrappedAbAttrs, applyPostAttackAbAttrs, applyPostBattleAbAttrs, applyPostDefendAbAttrs, applyPostSummonAbAttrs, applyPostTurnAbAttrs, applyPostWeatherLapseAbAttrs, applyPreStatChangeAbAttrs, applyPreSwitchOutAbAttrs, applyPreWeatherEffectAbAttrs, BattleStatMultiplierAbAttr, applyBattleStatMultiplierAbAttrs, IncrementMovePriorityAbAttr, applyPostVictoryAbAttrs, PostVictoryAbAttr, applyPostBattleInitAbAttrs, PostBattleInitAbAttr, BlockNonDirectDamageAbAttr as BlockNonDirectDamageAbAttr, applyPostKnockOutAbAttrs, PostKnockOutAbAttr, PostBiomeChangeAbAttr, applyPostFaintAbAttrs, PostFaintAbAttr, IncreasePpAbAttr, PostStatChangeAbAttr, applyPostStatChangeAbAttrs, AlwaysHitAbAttr, PreventBerryUseAbAttr, StatChangeCopyAbAttr } from "./data/ability";
+import { CheckTrappedAbAttr, IgnoreOpponentStatChangesAbAttr, PostAttackAbAttr, PostBattleAbAttr, PostDefendAbAttr, PostSummonAbAttr, PostTurnAbAttr, PostWeatherLapseAbAttr, PreSwitchOutAbAttr, PreWeatherDamageAbAttr, ProtectStatAbAttr, RedirectMoveAbAttr, RunSuccessAbAttr, StatChangeMultiplierAbAttr, SuppressWeatherEffectAbAttr, SyncEncounterNatureAbAttr, applyAbAttrs, applyCheckTrappedAbAttrs, applyPostAttackAbAttrs, applyPostBattleAbAttrs, applyPostDefendAbAttrs, applyPostSummonAbAttrs, applyPostTurnAbAttrs, applyPostWeatherLapseAbAttrs, applyPreStatChangeAbAttrs, applyPreSwitchOutAbAttrs, applyPreWeatherEffectAbAttrs, BattleStatMultiplierAbAttr, applyBattleStatMultiplierAbAttrs, IncrementMovePriorityAbAttr, applyPostVictoryAbAttrs, PostVictoryAbAttr, applyPostBattleInitAbAttrs, PostBattleInitAbAttr, BlockNonDirectDamageAbAttr as BlockNonDirectDamageAbAttr, applyPostKnockOutAbAttrs, PostKnockOutAbAttr, PostBiomeChangeAbAttr, applyPostFaintAbAttrs, PostFaintAbAttr, IncreasePpAbAttr, PostStatChangeAbAttr, applyPostStatChangeAbAttrs, AlwaysHitAbAttr, PreventBerryUseAbAttr, StatChangeCopyAbAttr, StallAbAttr } from "./data/ability";
 import { Unlockables, getUnlockableName } from "./system/unlockables";
 import { getBiomeKey } from "./field/arena";
 import { BattleType, BattlerIndex, TurnCommand } from "./battle";
@@ -590,6 +590,15 @@ export abstract class FieldPhase extends BattlePhase {
     if (speedReversed.value)
       orderedTargets = orderedTargets.reverse();
 
+    orderedTargets.sort((a: Pokemon, b: Pokemon) => {
+      const aStall = new Utils.BooleanHolder(false);
+      applyAbAttrs(StallAbAttr, a, null, aStall);
+      const bStall = new Utils.BooleanHolder(false);
+      applyAbAttrs(StallAbAttr, b, null, bStall);
+
+      return aStall.value === bStall.value ? 0 : aStall.value ? 1 : -1;
+    });
+
     return orderedTargets.map(t => t.getFieldIndex() + (!t.isPlayer() ? BattlerIndex.ENEMY : 0));
   }