Szil gave Slovakia a fifth minute lead on their way to a 4-0 World Cup win over Luxembourg. It leaves Slovakia three points behind Portugal who scraped a 1-0 in Estonia last night, while Russia are a further three points behind Slovakia.
Dava was replace at half-time, after picking up a first half injury, against France in the Toulon Tournament semi-final. He then had to watch as the England U-20's lost a penalty shoot-out to the favouites and hosts, following a goalless 80 minutes.
Mark Schwarzer and Mark Viduka are included in the Socceroo's squad for a friendly at Craven Cottage tonight against New Zealand.