Alife Bradstock will ride for Great Britain at eventing's Junior European Championship in Strzegom, Poland.
The 18-year-old, from Letcombe Bassett, near Wantage, is in a six-strong squad for the event, which runs from September 6-9.
Bradstock, the son of horse racing trainer Mark, will be riding chestnut gelding Minimee as he makes his international junior debut.
He has already represented Britain at pony level, playing an integral part in their European team gold triumph in 2010.
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