$previews_new_loop = array(
'posts_per_page' => -1,
'post_type' => 'football_match',
'meta_key' => 'kick-off-date',
'orderby' => 'meta_value',
'order' => 'ASC',);

$wpquery = new WP_Query($previews_new_loop);
$posts = $wpquery->get_posts();
$ordered_posts = array();
foreach ($posts as $post) {
$meta_value = get_post_meta($post->ID, 'kick-off-date', true);
if (!$meta_value) {
    continue;
}
$date = date('ddmmyyyy', strtotime($meta_value));
$ordered_posts[$date][] = $post;
}

foreach ($ordered_posts as $post_date => $posts) { ?>

Kick Off Date

<?php foreach ($posts as $post): ?>

Content Grouped by Kick Off Date showing in order from todays date
onwards.

<? endforeach;  }?>