diff --git a/src/wp-includes/blocks.php b/src/wp-includes/blocks.php
index c09321edfa5bd..fd5c2d769b571 100644
--- a/src/wp-includes/blocks.php
+++ b/src/wp-includes/blocks.php
@@ -2489,8 +2489,10 @@ function build_query_vars_from_query_block( $block, $page ) {
 				 */
 				$query['post__in']            = ! empty( $sticky ) ? $sticky : array( 0 );
 				$query['ignore_sticky_posts'] = 1;
-			} else {
+			} elseif ( 'exclude' === $block->context['query']['sticky'] ) {
 				$query['post__not_in'] = array_merge( $query['post__not_in'], $sticky );
+			} elseif ( 'ignore' === $block->context['query']['sticky'] ) {
+				$query['ignore_sticky_posts'] = 1;
 			}
 		}
 		if ( ! empty( $block->context['query']['exclude'] ) ) {
diff --git a/tests/phpunit/tests/blocks/wpBlock.php b/tests/phpunit/tests/blocks/wpBlock.php
index bfde02b4dc44c..f28bbd6c83733 100644
--- a/tests/phpunit/tests/blocks/wpBlock.php
+++ b/tests/phpunit/tests/blocks/wpBlock.php
@@ -747,6 +747,149 @@ public function test_build_query_vars_from_query_block_with_top_level_parent() {
 		);
 	}
 
+	/**
+	 * Ensure requesting only sticky posts returns only sticky posts.
+	 *
+	 * @ticket 62908
+	 */
+	public function test_build_query_vars_from_block_query_only_sticky_posts() {
+		$this->factory()->post->create_many( 5 );
+		$sticky_post_id = $this->factory()->post->create(
+			array(
+				'post_type'   => 'post',
+				'post_status' => 'publish',
+				'post_title'  => 'Sticky Post',
+			)
+		);
+		stick_post( $sticky_post_id );
+
+		$this->registry->register(
+			'core/example',
+			array( 'uses_context' => array( 'query' ) )
+		);
+
+		$parsed_blocks = parse_blocks( '<!-- wp:example {"ok":true} -->a<!-- wp:example /-->b<!-- /wp:example -->' );
+		$parsed_block  = $parsed_blocks[0];
+		$context       = array(
+			'query' => array(
+				'sticky' => 'only',
+			),
+		);
+		$block         = new WP_Block( $parsed_block, $context, $this->registry );
+		$query_args    = build_query_vars_from_query_block( $block, 1 );
+
+		$this->assertSame(
+			array(
+				'post_type'           => 'post',
+				'order'               => 'DESC',
+				'orderby'             => 'date',
+				'post__not_in'        => array(),
+				'tax_query'           => array(),
+				'post__in'            => array( $sticky_post_id ),
+				'ignore_sticky_posts' => 1,
+			),
+			$query_args
+		);
+
+		$query = new WP_Query( $query_args );
+		$this->assertSame( array( $sticky_post_id ), wp_list_pluck( $query->posts, 'ID' ) );
+	}
+
+	/**
+	 * Ensure excluding sticky posts returns only non-sticky posts.
+	 *
+	 * @ticket 62908
+	 */
+	public function test_build_query_vars_from_block_query_exclude_sticky_posts() {
+		$not_sticky_post_ids = $this->factory()->post->create_many( 5 );
+		$sticky_post_id      = $this->factory()->post->create(
+			array(
+				'post_type'   => 'post',
+				'post_status' => 'publish',
+				'post_title'  => 'Sticky Post',
+			)
+		);
+		stick_post( $sticky_post_id );
+
+		$this->registry->register(
+			'core/example',
+			array( 'uses_context' => array( 'query' ) )
+		);
+
+		$parsed_blocks = parse_blocks( '<!-- wp:example {"ok":true} -->a<!-- wp:example /-->b<!-- /wp:example -->' );
+		$parsed_block  = $parsed_blocks[0];
+		$context       = array(
+			'query' => array(
+				'sticky' => 'exclude',
+			),
+		);
+		$block         = new WP_Block( $parsed_block, $context, $this->registry );
+		$query_args    = build_query_vars_from_query_block( $block, 1 );
+
+		$this->assertSame(
+			array(
+				'post_type'    => 'post',
+				'order'        => 'DESC',
+				'orderby'      => 'date',
+				'post__not_in' => array(),
+				'tax_query'    => array(),
+				'post__not_in' => array( $sticky_post_id ),
+			),
+			$query_args
+		);
+
+		$query = new WP_Query( $query_args );
+		$this->assertNotContains( $sticky_post_id, wp_list_pluck( $query->posts, 'ID' ) );
+		$this->assertSameSets( $not_sticky_post_ids, wp_list_pluck( $query->posts, 'ID' ) );
+	}
+
+	/**
+	 * Ensure ignoring sticky posts includes both sticky and non-sticky posts.
+	 *
+	 * @ticket 62908
+	 */
+	public function test_build_query_vars_from_block_query_ignore_sticky_posts() {
+		$not_sticky_post_ids = $this->factory()->post->create_many( 5 );
+		$sticky_post_id      = $this->factory()->post->create(
+			array(
+				'post_type'   => 'post',
+				'post_status' => 'publish',
+				'post_title'  => 'Sticky Post',
+			)
+		);
+		stick_post( $sticky_post_id );
+
+		$this->registry->register(
+			'core/example',
+			array( 'uses_context' => array( 'query' ) )
+		);
+
+		$parsed_blocks = parse_blocks( '<!-- wp:example {"ok":true} -->a<!-- wp:example /-->b<!-- /wp:example -->' );
+		$parsed_block  = $parsed_blocks[0];
+		$context       = array(
+			'query' => array(
+				'sticky' => 'ignore',
+			),
+		);
+		$block         = new WP_Block( $parsed_block, $context, $this->registry );
+		$query_args    = build_query_vars_from_query_block( $block, 1 );
+
+		$this->assertSame(
+			array(
+				'post_type'           => 'post',
+				'order'               => 'DESC',
+				'orderby'             => 'date',
+				'post__not_in'        => array(),
+				'tax_query'           => array(),
+				'ignore_sticky_posts' => 1,
+			),
+			$query_args
+		);
+
+		$query = new WP_Query( $query_args );
+		$this->assertSameSets( array_merge( $not_sticky_post_ids, array( $sticky_post_id ) ), wp_list_pluck( $query->posts, 'ID' ) );
+	}
+
 	/**
 	 * @ticket 56467
 	 */