Change default order filters to Pending & Processing
/**
* Change default filter of orders in WP admin
* add this to your functions.php file
*/
add_action( 'admin_menu', 'change_default_order_filter', 99 );
function change_default_order_filter() {
global $submenu;
if (isset($submenu['woocommerce'])) {
$submenu['woocommerce'][1][2] = 'edit.php?post_type=shop_order&shop_order_status=pending,processing';
}
}