diff --git a/backend/terry/handlers/info_handler.py b/backend/terry/handlers/info_handler.py
index 8a9473c9..6fc1f405 100644
--- a/backend/terry/handlers/info_handler.py
+++ b/backend/terry/handlers/info_handler.py
@@ -203,7 +203,10 @@ def patch_submission(submission):
 
         del result["output"]
         result = BaseHandler.format_dates(result)
+
         result["output"] = temp
+        if "subtasks" in feedback:
+            result["subtasks"] = feedback["subtasks"]
 
         return result
 
diff --git a/format-specs.md b/format-specs.md
index 55f8d9df..733af39a 100644
--- a/format-specs.md
+++ b/format-specs.md
@@ -125,4 +125,12 @@ The checker should print to its standard output a JSON value with _at least_ the
 		- `severity`: a string with one of the following values: `"warning"`
 		- `message`: the message to show to the contestant.
 
+The following field must be present if and only if the problem is scored with subtasks:
+- `subtasks`: the subtasks of the task. It is an array with an entry for each subtask. Each entry is an object with _at least_ the following fields:
+	- `score`: a number indicating the score of the contestant on the subtask.
+	- `max_score`: a number indicating the maximum score on the subtask.
+	- `testcases`: an array of numbers, containing the testcases belonging to the subtask.
+
+Note that is the checker's responsibility to make sure that the information contained in `subtasks` is accurate.
+
 The checker should be very resilient to invalid output files submitted by the contestant. To avoid writing every time the parsing code a Python library is available [here](https://github.com/algorithm-ninja/territoriali-cli/blob/master/terry_cli/parser.py). Note that it's useful only for the `Case #1: ...` output format.
diff --git a/frontend/src/contest/submission/FeedbackView.tsx b/frontend/src/contest/submission/FeedbackView.tsx
index d228c6cf..b4090d73 100644
--- a/frontend/src/contest/submission/FeedbackView.tsx
+++ b/frontend/src/contest/submission/FeedbackView.tsx
@@ -59,6 +59,7 @@ export function FeedbackView({ submission, task }: Props) {
       <ResultView
         cases={submission.feedback.cases}
         alerts={submission.feedback.alerts}
+        subtasks={submission.subtasks}
         renderCase={renderCase}
         renderCaseSummary={renderCaseSummary}
       />
diff --git a/frontend/src/contest/submission/GridList.css b/frontend/src/contest/submission/GridList.css
index 5a072dbe..d2ab689f 100644
--- a/frontend/src/contest/submission/GridList.css
+++ b/frontend/src/contest/submission/GridList.css
@@ -17,3 +17,9 @@ dl.terry-grid-list > dd {
   -ms-flex: 1 1 100%;
   flex: 1 1 100%;
 }
+
+dl.terry-grid-list > dd > table {
+  border-spacing: 10px 0;
+  border-collapse: separate;
+  margin-left: -10px;
+}
diff --git a/frontend/src/contest/submission/ResultView.tsx b/frontend/src/contest/submission/ResultView.tsx
index 968c38b7..6353d696 100644
--- a/frontend/src/contest/submission/ResultView.tsx
+++ b/frontend/src/contest/submission/ResultView.tsx
@@ -1,17 +1,63 @@
 import React from "react";
 import { Trans } from "@lingui/macro";
-import { Alert } from "src/types/contest";
+import { Alert, Subtask } from "src/types/contest";
 
 type Props<T> = {
   cases: T[];
   alerts: Alert[];
+  subtasks?: Subtask[];
   renderCase: (c: T, i: number) => React.ReactNode;
   renderCaseSummary: (c: T, i: number) => React.ReactNode;
 };
 
 export function ResultView<T>({
-  cases, alerts, renderCase, renderCaseSummary,
+  cases, alerts, subtasks, renderCase, renderCaseSummary,
 }: Props<T>) {
+  const renderGridWithSubtasks = (subtasks: Subtask[], cases: T[]) => {
+    return (
+      <>
+        <table>
+          <tbody>
+            {subtasks.map((s: Subtask, i: number) => (
+              <tr>
+                <td>
+                  Subtask {i + 1} ({s.score}/{s.max_score})
+                </td>
+                <td>
+                  <ul className="list-inline mb-0">
+                    {s.testcases.map((i: number, _: number) => (
+                      // eslint-disable-next-line react/no-array-index-key
+                      <li className="list-inline-item" key={i}>
+                        {renderCaseSummary(cases[i], i + 1)}
+                      </li>
+                    ))}
+                  </ul>
+                </td>
+              </tr>
+            ))}
+          </tbody>
+        </table>
+      </>
+    )
+  };
+
+  const renderGridWithoutSubtasks = (cases: T[]) => {
+    return (
+      <>
+        <ul className="list-inline mb-0">
+          {cases.map((c: T, i: number) => (
+            // eslint-disable-next-line react/no-array-index-key
+            <li className="list-inline-item" key={i}>
+              {renderCaseSummary(c, i + 1)}
+            </li>
+          ))}
+        </ul>
+      </>
+    );
+  }
+
+  const summary = subtasks ? renderGridWithSubtasks(subtasks, cases) : renderGridWithoutSubtasks(cases);
+
   return (
     <>
       <ul className="list-unstyled">
@@ -34,14 +80,7 @@ export function ResultView<T>({
           :
         </dt>
         <dd>
-          <ul className="list-inline mb-0">
-            {cases.map((c: T, i: number) => (
-              // eslint-disable-next-line react/no-array-index-key
-              <li className="list-inline-item" key={i}>
-                {renderCaseSummary(c, i + 1)}
-              </li>
-            ))}
-          </ul>
+          {summary}
         </dd>
       </dl>
       <div className="result-detail">
diff --git a/frontend/src/contest/submission/ValidationView.tsx b/frontend/src/contest/submission/ValidationView.tsx
index 85b22fda..68aafbd1 100644
--- a/frontend/src/contest/submission/ValidationView.tsx
+++ b/frontend/src/contest/submission/ValidationView.tsx
@@ -45,6 +45,7 @@ export function ValidationView({ output }: Props) {
     <ResultView
       alerts={output.validation.alerts}
       cases={output.validation.cases}
+      subtasks={undefined}
       renderCase={renderCase}
       renderCaseSummary={renderCaseSummary}
     />
diff --git a/frontend/src/types/contest.ts b/frontend/src/types/contest.ts
index f867af72..0016c1d5 100644
--- a/frontend/src/types/contest.ts
+++ b/frontend/src/types/contest.ts
@@ -17,6 +17,12 @@ type FeedbackData = {
   cases: FeedbackCaseInfo[];
 };
 
+export type Subtask = {
+  max_score: number;
+  score: number;
+  testcases: number[];
+};
+
 export type Submission = {
   id: string;
   date: string;
@@ -26,6 +32,7 @@ export type Submission = {
   input: InputData;
   output: UploadedOutput;
   source: UploadedSource;
+  subtasks: Subtask[];
   feedback: FeedbackData;
 };