diff --git a/wp-admin/includes/revision.php b/wp-admin/includes/revision.php
index e5f480d0ed..496282529c 100644
--- a/wp-admin/includes/revision.php
+++ b/wp-admin/includes/revision.php
@@ -86,6 +86,8 @@ function wp_get_revision_ui_diff( $post, $compare_from, $compare_to ) {
 
 		$args = array(
 			'show_split_view' => true,
+			'title_left'      => __( 'Removed' ),
+			'title_right'     => __( 'Added' ),
 		);
 
 		/**
diff --git a/wp-includes/class-wp-text-diff-renderer-table.php b/wp-includes/class-wp-text-diff-renderer-table.php
index c55add4885..3db5a51d85 100644
--- a/wp-includes/class-wp-text-diff-renderer-table.php
+++ b/wp-includes/class-wp-text-diff-renderer-table.php
@@ -176,7 +176,7 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
 			}
 
 			if ( $this->_show_split_view ) {
-				$r .= '<tr>' . $this->emptyLine() . $this->emptyLine() . $this->addedLine( $line ) . "</tr>\n";
+				$r .= '<tr>' . $this->emptyLine() . $this->addedLine( $line ) . "</tr>\n";
 			} else {
 				$r .= '<tr>' . $this->addedLine( $line ) . "</tr>\n";
 			}
@@ -201,7 +201,7 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
 				$line = apply_filters( 'process_text_diff_html', $processed_line, $line, 'deleted' );
 			}
 			if ( $this->_show_split_view ) {
-				$r .= '<tr>' . $this->deletedLine( $line ) . $this->emptyLine() . $this->emptyLine() . "</tr>\n";
+				$r .= '<tr>' . $this->deletedLine( $line ) . $this->emptyLine() . "</tr>\n";
 			} else {
 				$r .= '<tr>' . $this->deletedLine( $line ) . "</tr>\n";
 			}
@@ -226,7 +226,7 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
 				$line = apply_filters( 'process_text_diff_html', $processed_line, $line, 'unchanged' );
 			}
 			if ( $this->_show_split_view ) {
-				$r .= '<tr>' . $this->contextLine( $line ) . $this->emptyLine() . $this->contextLine( $line ) . "</tr>\n";
+				$r .= '<tr>' . $this->contextLine( $line ) . $this->contextLine( $line ) . "</tr>\n";
 			} else {
 				$r .= '<tr>' . $this->contextLine( $line ) . "</tr>\n";
 			}
@@ -319,7 +319,7 @@ class WP_Text_Diff_Renderer_Table extends Text_Diff_Renderer {
 				$r .= $this->_deleted( array( $orig_line ), false );
 			} else { // A true changed row.
 				if ( $this->_show_split_view ) {
-					$r .= '<tr>' . $this->deletedLine( $orig_line ) . $this->emptyLine() . $this->addedLine( $final_line ) . "</tr>\n";
+					$r .= '<tr>' . $this->deletedLine( $orig_line ) . $this->addedLine( $final_line ) . "</tr>\n";
 				} else {
 					$r .= '<tr>' . $this->deletedLine( $orig_line ) . '</tr><tr>' . $this->addedLine( $final_line ) . "</tr>\n";
 				}
diff --git a/wp-includes/pluggable.php b/wp-includes/pluggable.php
index 7dee482170..c53a723fc4 100644
--- a/wp-includes/pluggable.php
+++ b/wp-includes/pluggable.php
@@ -2838,27 +2838,32 @@ if ( ! function_exists( 'wp_text_diff' ) ) :
 			return '';
 		}
 
-		$r = "<table class='diff'>\n";
+		$is_split_view       = ! empty( $args['show_split_view'] );
+		$is_split_view_class = $is_split_view ? ' is-split-view' : '';
 
-		if ( ! empty( $args['show_split_view'] ) ) {
-			$r .= "<col class='content diffsplit left' /><col class='content diffsplit middle' /><col class='content diffsplit right' />";
-		} else {
-			$r .= "<col class='content' />";
+		$r = "<table class='diff$is_split_view_class'>\n";
+
+		if ( $args['title'] ) {
+			$r .= "<caption class='diff-title'>$args[title]</caption>\n";
 		}
 
-		if ( $args['title'] || $args['title_left'] || $args['title_right'] ) {
+		if ( $args['title_left'] || $args['title_right'] ) {
 			$r .= '<thead>';
 		}
-		if ( $args['title'] ) {
-			$r .= "<tr class='diff-title'><th colspan='4'>$args[title]</th></tr>\n";
-		}
+
 		if ( $args['title_left'] || $args['title_right'] ) {
+			$th_or_td_left  = empty( $args['title_left'] ) ? 'td' : 'th';
+			$th_or_td_right = empty( $args['title_right'] ) ? 'td' : 'th';
+
 			$r .= "<tr class='diff-sub-title'>\n";
-			$r .= "\t<td></td><th>$args[title_left]</th>\n";
-			$r .= "\t<td></td><th>$args[title_right]</th>\n";
+			$r .= "\t<$th_or_td_left>$args[title_left]</$th_or_td_left>\n";
+			if ( $is_split_view ) {
+				$r .= "\t<$th_or_td_right>$args[title_right]</$th_or_td_right>\n";
+			}
 			$r .= "</tr>\n";
 		}
-		if ( $args['title'] || $args['title_left'] || $args['title_right'] ) {
+
+		if ( $args['title_left'] || $args['title_right'] ) {
 			$r .= "</thead>\n";
 		}
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 44530b1487..f612b2775a 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.7-alpha-50033';
+$wp_version = '5.7-alpha-50034';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.