Alex Rogers has been included in the England Clubs under-18s squad to play France near Paris on February 28.
Rogers, 17, impressed in a 27-12 warm-up victory for the national side against the Worcester Under-19s Academy.
The tight-head prop made the first try. He said: "I'm chuffed to bits. I'm looking forward to France. I can't believe it is happening. I was pleased to have played a part in a try.
"The only down side was that I missed England seniors defeating Italy because we were playing at the same time."
Rogers, who plays for Eastbourne, attends a three-day training camp with Premiership club Harlequins this week.
Sussex B lost 71-7 away to Hampshire.
Fin Cotton, Fergal McAleer and Alex Liburn scored tries as Lewes under-13s beat Brighton 17-0 in the Sussex League. John Pitts landed a conversion.
Lewes under-16s lost 17-5 in a friendly against visitors Horsham, Des Anderson scoring their consolation try.
Lewes under-17s lost 17-0 at home to a combined Horsham and Crawley side.
Darion Naylor scored a hat-trick of tries as Brighton under-12s won 33-7 at Warlingham.
Haywards Heath under-13s ran in nine tries and regained top spot on points difference from East Grinstead in the Sussex League with a 55-0 win over bottom-placed Heathfield.
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