diff --git a/play.pokemonshowdown.com/src/battle-tooltips.ts b/play.pokemonshowdown.com/src/battle-tooltips.ts
index 3d9d51320..c1a7a4cee 100644
--- a/play.pokemonshowdown.com/src/battle-tooltips.ts
+++ b/play.pokemonshowdown.com/src/battle-tooltips.ts
@@ -8,7 +8,7 @@
  * @license MIT
  */
 
-import { Pokemon, type Battle, type ServerPokemon } from "./battle";
+import { Pokemon, type Battle, type PPState, type ServerPokemon } from "./battle";
 import { Dex, type ModdedDex, toID, type ID } from "./battle-dex";
 import type { BattleScene } from "./battle-animations";
 import { BattleLog } from "./battle-log";
@@ -993,8 +993,8 @@ export class BattleTooltips {
 			}).length > 4) {
 				text += `(More than 4 moves is usually a sign of Illusion Zoroark/Zorua.) `;
 			}
-			if (this.battle.gen === 3) {
-				text += `(Pressure is not visible in Gen 3, so in certain situations, more PP may have been lost than shown here.) `;
+			if (this.battle.gen === 3 && clientPokemon.moveTrack.some(([_, pp]) => typeof pp !== 'number')) {
+				text += `(Pressure is not visible in Gen 3, so in certain situations, the exact amount of PP used may be unknown.) `;
 			}
 			if (this.pokemonHasClones(clientPokemon)) {
 				text += `(Your opponent has two indistinguishable Pokémon, making it impossible for you to tell which one has which moves/ability/item.) `;
@@ -1472,7 +1472,7 @@ export class BattleTooltips {
 		return buf;
 	}
 
-	getPPUseText(moveTrackRow: [string, number], showKnown?: boolean) {
+	getPPUseText(moveTrackRow: [string, PPState], showKnown?: boolean) {
 		let [moveName, ppUsed] = moveTrackRow;
 		let move;
 		let maxpp;
@@ -1490,7 +1490,11 @@ export class BattleTooltips {
 			return `${bullet} ${move.name} <small>(0/${maxpp})</small>`;
 		}
 		if (ppUsed || moveName.startsWith('*')) {
-			return `${bullet} ${move.name} <small>(${maxpp - ppUsed}/${maxpp})</small>`;
+			if (typeof ppUsed === 'number') {
+				return `${bullet} ${move.name} <small>(${maxpp - ppUsed}/${maxpp})</small>`;
+			} else {
+				return `${bullet} ${move.name} <small>(${maxpp - ppUsed[0]}/${maxpp} to ${maxpp - ppUsed[1]}/${maxpp})</small>`;
+			}
 		}
 		return `${bullet} ${move.name} ${showKnown ? ' <small>(revealed)</small>' : ''}`;
 	}
@@ -1988,7 +1992,8 @@ export class BattleTooltips {
 			value.set(20 + 20 * boostCount);
 		}
 		if (move.id === 'trumpcard') {
-			const ppLeft = 5 - this.ppUsed(move, pokemon);
+			const pp = this.ppUsed(move, pokemon);
+			const ppLeft = 5 - (typeof pp === 'number' ? pp : pp[1]);
 			let basePower = 40;
 			if (ppLeft === 1) basePower = 200;
 			else if (ppLeft === 2) basePower = 80;
diff --git a/play.pokemonshowdown.com/src/battle.ts b/play.pokemonshowdown.com/src/battle.ts
index 27f2eb072..f80495c83 100644
--- a/play.pokemonshowdown.com/src/battle.ts
+++ b/play.pokemonshowdown.com/src/battle.ts
@@ -40,6 +40,7 @@ declare const app: { user: AnyObject, rooms: AnyObject, ignore?: AnyObject } | u
 export type EffectState = any[] & { 0: ID };
 export type WeatherState = [name: string, minTimeLeft: number, maxTimeLeft: number];
 export type HPColor = 'r' | 'y' | 'g';
+export type PPState = number | [number, number];
 
 export class Pokemon implements PokemonDetails, PokemonHealth {
 	name = '';
@@ -106,7 +107,7 @@ export class Pokemon implements PokemonDetails, PokemonHealth {
 	lastMove = '';
 
 	/** [[moveName, ppUsed]] */
-	moveTrack: [string, number][] = [];
+	moveTrack: [string, PPState][] = [];
 	statusData = { sleepTurns: 0, toxicTurns: 0 };
 	timesAttacked = 0;
 
@@ -340,7 +341,37 @@ export class Pokemon implements PokemonDetails, PokemonHealth {
 		this.clearMovestatuses();
 		this.side.battle.scene.clearEffects(this);
 	}
-	rememberMove(moveName: string, pp = 1, recursionSource?: string) {
+	private mergePP(entry: [string, PPState], pp: PPState): PPState {
+		let ppUsed = entry[1];
+		if (typeof ppUsed === 'number') {
+			if (typeof pp === 'number') {
+				ppUsed += pp;
+			} else {
+				ppUsed = [ppUsed + pp[0], ppUsed + pp[1]];
+			}
+		} else {
+			if (typeof pp === 'number') {
+				ppUsed[0] += pp;
+				ppUsed[1] += pp;
+			} else {
+				ppUsed[0] += pp[0];
+				ppUsed[1] += pp[1];
+			}
+		}
+		if (typeof ppUsed === 'number') {
+			if (ppUsed < 0) ppUsed = 0;
+		} else {
+			if (ppUsed[0] < 0) ppUsed[0] = 0;
+			if (ppUsed[1] < 0) ppUsed[1] = 0;
+			const move = this.side.battle.dex.moves.get(entry[0]);
+			const maxpp = (move.pp === 1 || move.noPPBoosts ? move.pp : move.pp * 8 / 5);
+			if (ppUsed[0] > maxpp) ppUsed[0] = maxpp;
+			if (ppUsed[0] < ppUsed[1]) ppUsed[0] = ppUsed[1];
+			if (ppUsed[0] === ppUsed[1]) ppUsed = ppUsed[0];
+		}
+		return ppUsed;
+	}
+	rememberMove(moveName: string, pp: PPState = 1, recursionSource?: string) {
 		if (recursionSource === this.ident) return;
 		moveName = Dex.moves.get(moveName).name;
 		if (moveName.startsWith('*')) return;
@@ -353,8 +384,7 @@ export class Pokemon implements PokemonDetails, PokemonHealth {
 		}
 		for (const entry of this.moveTrack) {
 			if (moveName === entry[0]) {
-				entry[1] += pp;
-				if (entry[1] < 0) entry[1] = 0;
+				entry[1] = this.mergePP(entry, pp);
 				return;
 			}
 		}
@@ -1537,8 +1567,8 @@ export class Battle {
 					}
 				}
 			}
-			let pp = 1;
-			if (this.abilityActive('Pressure') && move.id !== 'stickyweb') {
+			let pp: PPState = callerMoveForPressure ? 0 : 1; // 1 pp was already deducted from using the move itself
+			if ((this.abilityActive('Pressure') || this.gen === 3) && move.id !== 'stickyweb') {
 				const foeTargets = [];
 				const moveTarget = move.pressureTarget;
 
@@ -1559,18 +1589,9 @@ export class Battle {
 				} else if (target && target.side !== pokemon.side) {
 					foeTargets.push(target);
 				}
-
-				for (const foe of foeTargets) {
-					if (foe && !foe.fainted && foe.effectiveAbility() === 'Pressure') {
-						pp += 1;
-					}
-				}
-			}
-			if (!callerMoveForPressure) {
-				pokemon.rememberMove(moveName, pp);
-			} else {
-				pokemon.rememberMove(callerMoveForPressure.name, pp - 1); // 1 pp was already deducted from using the move itself
+				pp = this.getPressurePP(pp, foeTargets.filter(foe => foe && !foe.fainted) as Pokemon[]);
 			}
+			pokemon.rememberMove(callerMoveForPressure ? callerMoveForPressure.name : moveName, pp);
 		}
 		pokemon.lastMove = move.id;
 		this.lastMove = move.id;
@@ -1578,6 +1599,26 @@ export class Battle {
 			pokemon.side.wisher = pokemon;
 		}
 	}
+	private getPressurePP(pp: PPState, foes: Pokemon[]) {
+		for (const foe of foes) {
+			const abilities = Object.values(this.dex.species.get(foe.speciesForme).abilities);
+			const canHavePressure = this.gen === 3 && abilities.includes('Pressure');
+			if (foe.effectiveAbility() === 'Pressure' || (canHavePressure && abilities.length === 1)) {
+				if (typeof pp === 'number') {
+					pp += 1;
+				} else {
+					pp[0] += 1;
+					pp[1] += 1;
+				}
+			} else if (canHavePressure) {
+				if (typeof pp === 'number') {
+					pp = [pp, pp];
+				}
+				pp[0] += 1;
+			}
+		}
+		return pp;
+	}
 	animateMove(pokemon: Pokemon, move: Dex.Move, target: Pokemon | null, kwArgs: KWArgs) {
 		this.activeMoveIsSpread = kwArgs.spread;
 		if (this.seeking !== null || kwArgs.still) return;