diff --git a/src/constants.ts b/src/constants.ts
new file mode 100644
index 00000000000..a2f7e47b996
--- /dev/null
+++ b/src/constants.ts
@@ -0,0 +1 @@
+export const PLAYER_PARTY_MAX_SIZE = 6;
diff --git a/src/field/pokemon.ts b/src/field/pokemon.ts
index e0a9a4a86ce..d930bead2a7 100644
--- a/src/field/pokemon.ts
+++ b/src/field/pokemon.ts
@@ -58,6 +58,7 @@ import { StatStageChangePhase } from "#app/phases/stat-stage-change-phase";
 import { SwitchSummonPhase } from "#app/phases/switch-summon-phase";
 import { ToggleDoublePositionPhase } from "#app/phases/toggle-double-position-phase";
 import { Challenges } from "#enums/challenges";
+import { PLAYER_PARTY_MAX_SIZE } from "#app/constants";
 
 export enum FieldPosition {
   CENTER,
@@ -4413,17 +4414,23 @@ export class EnemyPokemon extends Pokemon {
     return BattlerIndex.ENEMY + this.getFieldIndex();
   }
 
-  addToParty(pokeballType: PokeballType) {
+  addToParty(pokeballType: PokeballType, slotIndex: number = -1) {
     const party = this.scene.getParty();
     let ret: PlayerPokemon | null = null;
 
-    if (party.length < 6) {
+    if (party.length < PLAYER_PARTY_MAX_SIZE) {
       this.pokeball = pokeballType;
       this.metLevel = this.level;
       this.metBiome = this.scene.arena.biomeType;
       this.metSpecies = this.species.speciesId;
       const newPokemon = this.scene.addPlayerPokemon(this.species, this.level, this.abilityIndex, this.formIndex, this.gender, this.shiny, this.variant, this.ivs, this.nature, this);
-      party.push(newPokemon);
+
+      if (Utils.isBetween(slotIndex, 0, PLAYER_PARTY_MAX_SIZE - 1)) {
+        party.splice(slotIndex, 0, newPokemon);
+      } else {
+        party.push(newPokemon);
+      }
+
       ret = newPokemon;
       this.scene.triggerPokemonFormChange(newPokemon, SpeciesFormChangeActiveTrigger, true);
     }
diff --git a/src/phases/attempt-capture-phase.ts b/src/phases/attempt-capture-phase.ts
index 72995c0f006..3c49aaeb244 100644
--- a/src/phases/attempt-capture-phase.ts
+++ b/src/phases/attempt-capture-phase.ts
@@ -221,8 +221,8 @@ export class AttemptCapturePhase extends PokemonPhase {
         this.scene.clearEnemyHeldItemModifiers();
         this.scene.field.remove(pokemon, true);
       };
-      const addToParty = () => {
-        const newPokemon = pokemon.addToParty(this.pokeballType);
+      const addToParty = (slotIndex?: number) => {
+        const newPokemon = pokemon.addToParty(this.pokeballType, slotIndex);
         const modifiers = this.scene.findModifiers(m => m instanceof PokemonHeldItemModifier, false);
         if (this.scene.getParty().filter(p => p.isShiny()).length === 6) {
           this.scene.validateAchv(achvs.SHINY_PARTY);
@@ -253,7 +253,7 @@ export class AttemptCapturePhase extends PokemonPhase {
                 this.scene.ui.setMode(Mode.PARTY, PartyUiMode.RELEASE, this.fieldIndex, (slotIndex: integer, _option: PartyOption) => {
                   this.scene.ui.setMode(Mode.MESSAGE).then(() => {
                     if (slotIndex < 6) {
-                      addToParty();
+                      addToParty(slotIndex);
                     } else {
                       promptRelease();
                     }
diff --git a/src/utils.ts b/src/utils.ts
index 173ea25b17c..15cd2786627 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -583,3 +583,14 @@ export function toDmgValue(value: number, minValue: number = 1) {
 export function getLocalizedSpriteKey(baseKey: string) {
   return `${baseKey}${verifyLang(i18next.resolvedLanguage) ? `_${i18next.resolvedLanguage}` : ""}`;
 }
+
+/**
+ * Check if a number is between two other numbers
+ * @param num the number to check
+ * @param min the minimum value
+ * @param max the maximum value
+ * @returns true if number is between min and max
+ */
+export function isBetween(num: number, min: number, max: number): boolean {
+  return num >= min && num <= max;
+}