Хорошо, получилось, убрав все пробелы и превратив содержимое страницы в строку
<?
$url = "http://combatarms.nexon.net/Community/Profile.aspx?user=tect0n";
$raw = file_get_contents($url);
$newlines = array("\t","\n","\r","\x20\x20","\0","\x0B");
$content = str_replace($newlines, "", html_entity_decode($raw));
preg_match_all('|<th>.*?</th><td><strong>(\d+,\d+)</strong></td>|', $content,$match);
?>
Возвращает
Array ( [0] => Array ( [0] => Kills (K)4,751 [1] => Deaths (D)4,868 ) [1] => Array ( [0] => 4,751 [1] => 4,868 ) )