diff --git a/event_sale_session/i18n/es.po b/event_sale_session/i18n/es.po
index 9d05a128d..0c8d56564 100644
--- a/event_sale_session/i18n/es.po
+++ b/event_sale_session/i18n/es.po
@@ -113,6 +113,11 @@ msgstr "Informe analítico de ventas"
 msgid "Sales Order Line"
 msgstr "Línea de pedido de venta"
 
+#. module: event_sale_session
+#: model:ir.model.fields,field_description:event_sale_session.field_event_session__order_line_ids
+msgid "Sales Order Lines"
+msgstr "Líneas de pedido de venta"
+
 #. module: event_sale_session
 #: model:ir.model.fields,field_description:event_sale_session.field_event_event_configurator__event_session_id
 #: model:ir.model.fields,field_description:event_sale_session.field_registration_editor_line__session_id
@@ -136,6 +141,26 @@ msgstr "Evento estándar + catering"
 msgid "Total sales for this session"
 msgstr "Total de ventas para esta sesión"
 
+#. module: event_sale_session
+#: model_terms:ir.ui.view,arch_db:event_sale_session.view_event_session_tree
+msgid "Total unconfirmed seats in orders"
+msgstr "Total plazas de pedidos no confirmados"
+
+#. module: event_sale_session
+#: model:ir.model.fields,field_description:event_sale_session.field_event_session__unconfirmed_qty
+msgid "Unconfirmed Qty"
+msgstr "Cantidad sin asignar"
+
+#. module: event_sale_session
+#: model_terms:ir.ui.view,arch_db:event_sale_session.view_event_session_form
+msgid "Unconfirmed order seats"
+msgstr "Plazas en pedidos sin confirmar"
+
+#. module: event_sale_session
+#: model_terms:ir.ui.view,arch_db:event_sale_session.view_event_session_form
+msgid "Unconfirmed orders seats"
+msgstr "Plazas en pedidos sin confirmar"
+
 #. module: event_sale_session
 #: model:event.event.ticket,name:event_sale_session.event_ticket_007_vip
 msgid "VIP"
diff --git a/event_sale_session/i18n/event_sale_session.pot b/event_sale_session/i18n/event_sale_session.pot
index 641110ceb..2880b8016 100644
--- a/event_sale_session/i18n/event_sale_session.pot
+++ b/event_sale_session/i18n/event_sale_session.pot
@@ -109,6 +109,11 @@ msgstr ""
 msgid "Sales Order Line"
 msgstr ""
 
+#. module: event_sale_session
+#: model:ir.model.fields,field_description:event_sale_session.field_event_session__order_line_ids
+msgid "Sales Order Lines"
+msgstr ""
+
 #. module: event_sale_session
 #: model:ir.model.fields,field_description:event_sale_session.field_event_event_configurator__event_session_id
 #: model:ir.model.fields,field_description:event_sale_session.field_registration_editor_line__session_id
@@ -132,6 +137,26 @@ msgstr ""
 msgid "Total sales for this session"
 msgstr ""
 
+#. module: event_sale_session
+#: model_terms:ir.ui.view,arch_db:event_sale_session.view_event_session_tree
+msgid "Total unconfirmed seats in orders"
+msgstr ""
+
+#. module: event_sale_session
+#: model:ir.model.fields,field_description:event_sale_session.field_event_session__unconfirmed_qty
+msgid "Unconfirmed Qty"
+msgstr ""
+
+#. module: event_sale_session
+#: model_terms:ir.ui.view,arch_db:event_sale_session.view_event_session_form
+msgid "Unconfirmed order seats"
+msgstr ""
+
+#. module: event_sale_session
+#: model_terms:ir.ui.view,arch_db:event_sale_session.view_event_session_form
+msgid "Unconfirmed orders seats"
+msgstr ""
+
 #. module: event_sale_session
 #: model:event.event.ticket,name:event_sale_session.event_ticket_007_vip
 msgid "VIP"
diff --git a/event_sale_session/models/event_session.py b/event_sale_session/models/event_session.py
index 2e28bf7d1..7bdb6528d 100644
--- a/event_sale_session/models/event_session.py
+++ b/event_sale_session/models/event_session.py
@@ -22,6 +22,37 @@ class EventSession(models.Model):
         compute="_compute_sale_price_subtotal",
         groups="sales_team.group_sale_salesman",
     )
+    unconfirmed_qty = fields.Integer(
+        compute="_compute_unconfirmed_qty",
+        store=True,
+    )
+
+    @api.depends(
+        "sale_order_lines_ids",
+        "sale_order_lines_ids.product_uom_qty",
+        "sale_order_lines_ids.order_id.state",
+    )
+    def _compute_unconfirmed_qty(self):
+        for session in self:
+            session.unconfirmed_qty = int(
+                sum(
+                    session.sale_order_lines_ids.filtered(
+                        lambda x: x.order_id.state in ("draft", "sent")
+                    ).mapped("product_uom_qty")
+                )
+            )
+
+    def button_open_unconfirmed_event_order(self):
+        action = self.env["ir.actions.act_window"]._for_xml_id("sale.action_quotations")
+        sales = (
+            self.env["sale.order.line"]
+            .search([("event_id", "in", self.ids)])
+            .mapped("order_id")
+            .ids
+        )
+        action["domain"] = [("id", "in", sales), ("state", "in", ("draft", "sent"))]
+        action["context"] = {}
+        return action
 
     @api.depends(
         "currency_id",
diff --git a/event_sale_session/tests/test_event_sale_session.py b/event_sale_session/tests/test_event_sale_session.py
index 7e2c99b4f..c8e7d6584 100644
--- a/event_sale_session/tests/test_event_sale_session.py
+++ b/event_sale_session/tests/test_event_sale_session.py
@@ -1,5 +1,6 @@
 # Copyright 2017 Tecnativa - David Vidal
 # Copyright 2022 Moka Tourisme (https://www.mokatourisme.fr).
+# Copyright 2024 Tecnativa - Carolina Fernandez
 # @author Iván Todorovich <ivan.todorovich@gmail.com>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl-3.0).
 
@@ -36,7 +37,11 @@ def setUpClass(cls):
 
     def test_sale_session(self):
         """Sell an event with session"""
+        self.assertEqual(self.session.unconfirmed_qty, 5)
+        self.assertEqual(self.event.unconfirmed_qty, 5)
         self.order.action_confirm()
+        self.assertEqual(self.session.unconfirmed_qty, 0)
+        self.assertEqual(self.event.unconfirmed_qty, 0)
         regs = self.env["event.registration"].search(
             [("sale_order_id", "=", self.order.id)]
         )
diff --git a/event_sale_session/views/event_session.xml b/event_sale_session/views/event_session.xml
index 6cdcb1cc1..17f36f49b 100644
--- a/event_sale_session/views/event_session.xml
+++ b/event_sale_session/views/event_session.xml
@@ -27,7 +27,33 @@
                         widget="statinfo"
                     />
                 </button>
+                <button
+                    name="button_open_unconfirmed_event_order"
+                    type="object"
+                    class="oe_stat_button"
+                    icon="fa-eye-slash"
+                    help="Unconfirmed orders seats"
+                >
+                    <field
+                        name="unconfirmed_qty"
+                        widget="statinfo"
+                        string="Unconfirmed order seats"
+                    />
+                </button>
             </div>
         </field>
     </record>
+    <record id="view_event_session_tree" model="ir.ui.view">
+        <field name="model">event.session</field>
+        <field name="inherit_id" ref="event_session.view_event_session_tree" />
+        <field name="arch" type="xml">
+            <field name="seats_expected" position="after">
+                <field
+                    name="unconfirmed_qty"
+                    attrs="{'invisible': [('unconfirmed_qty','&lt;', 1)]}"
+                    sum="Total unconfirmed seats in orders"
+                />
+            </field>
+        </field>
+    </record>
 </odoo>