diff --git a/src/Game/Rook.php b/src/Game/Rook.php
new file mode 100644
index 0000000..396d0ee
--- /dev/null
+++ b/src/Game/Rook.php
@@ -0,0 +1,88 @@
+<?php
+
+namespace Game;
+
+class Rook extends Piece {
+
+    public function getName(): string {
+        return "Rook";
+    }
+
+    public function getShort(): string {
+        return "R";
+    }
+
+    public function getMoveCandidateMap(FieldBitMap $occupied, FieldBitMap $captureable, FieldBitMap $threatened): FieldBitMap {
+        $result = FieldBitMap::empty();
+
+        for ($offset = 1; $offset < 8; $offset++) {
+            $candidate = new Position($this->position->file, $this->position->rank + $offset);
+            if (!$candidate->isValid()) {
+                break;
+            }
+
+            if ($occupied->has($candidate)) {
+                break;
+            }
+
+            $result->add($candidate);
+
+            if ($captureable->has($candidate)) {
+                break;
+            }
+        }
+
+        for ($offset = -1; $offset > -8; $offset--) {
+            $candidate = new Position($this->position->file, $this->position->rank + $offset);
+            if (!$candidate->isValid()) {
+                break;
+            }
+
+            if ($occupied->has($candidate)) {
+                break;
+            }
+
+            $result->add($candidate);
+
+            if ($captureable->has($candidate)) {
+                break;
+            }
+        }
+
+        for ($offset = 1; $offset < 8; $offset++) {
+            $candidate = new Position($this->position->file + $offset, $this->position->rank);
+            if (!$candidate->isValid()) {
+                break;
+            }
+
+            if ($occupied->has($candidate)) {
+                break;
+            }
+
+            $result->add($candidate);
+
+            if ($captureable->has($candidate)) {
+                break;
+            }
+        }
+
+        for ($offset = -1; $offset > -8; $offset--) {
+            $candidate = new Position($this->position->file + $offset, $this->position->rank);
+            if (!$candidate->isValid()) {
+                break;
+            }
+
+            if ($occupied->has($candidate)) {
+                break;
+            }
+
+            $result->add($candidate);
+
+            if ($captureable->has($candidate)) {
+                break;
+            }
+        }
+
+        return $result;
+    }
+}
\ No newline at end of file
diff --git a/tests/Game/RookTest.php b/tests/Game/RookTest.php
new file mode 100644
index 0000000..bd6d55e
--- /dev/null
+++ b/tests/Game/RookTest.php
@@ -0,0 +1,99 @@
+<?php
+declare(strict_types=1);
+
+namespace Game;
+
+use PHPUnit\Framework\TestCase;
+
+final class RookTest extends TestCase {
+
+    public function testMoves_unobstructed() {
+        $subject = new Rook(new Position(
+            3, 4
+        ), Side::WHITE);
+
+        $result = $subject->getMoveCandidateMap(FieldBitMap::empty(), FieldBitMap::empty(), FieldBitMap::empty());
+
+        $this->assertTrue(
+            $result->equals(new FieldBitMap([
+                new Position(3, 0),
+                new Position(3, 1),
+                new Position(3, 2),
+                new Position(3, 3),
+                new Position(3, 5),
+                new Position(3, 6),
+                new Position(3, 7),
+                new Position(0, 4),
+                new Position(1, 4),
+                new Position(2, 4),
+                new Position(4, 4),
+                new Position(5, 4),
+                new Position(6, 4),
+                new Position(7, 4),
+
+            ]))
+        );
+    }
+
+    public function testMoves_obstructed() {
+        $subject = new Rook(new Position(
+            3, 0
+        ), Side::WHITE);
+
+        $result = $subject->getMoveCandidateMap(
+            new FieldBitMap([
+                new Position(3, 3),
+                new Position(5, 0)
+            ]),
+            new FieldBitMap([
+                new Position(1, 0)
+            ]),
+            FieldBitMap::empty()
+        );
+
+        $this->assertTrue(
+            $result->equals(new FieldBitMap([
+                new Position(3, 1),
+                new Position(3, 2),
+                new Position(1, 0),
+                new Position(2, 0),
+                new Position(4, 0),
+            ]))
+        );
+    }
+
+    public function testCaptureable() {
+        $subject = new Rook(
+            new Position(5, 6),
+            Side::WHITE,
+        );
+
+        $this->assertTrue(
+            $subject->getCaptureableMap(true)->equals(new FieldBitMap([
+                new Position(5, 6)
+            ]))
+        );
+    }
+
+    public function testCaptureMap() {
+        $subject = new Rook(new Position(
+            5, 2
+        ), Side::WHITE);
+
+        $result = $subject->getCaptureMap(
+            new FieldBitMap([
+                new Position(4, 2),
+                new Position(6, 2),
+                new Position(5, 4),
+            ])
+        );
+
+        $this->assertTrue(
+            $result->equals(new FieldBitMap([
+                new Position(5, 0),
+                new Position(5, 1),
+                new Position(5, 3),
+            ]))
+        );
+    }
+}
\ No newline at end of file