Jakub Piwowar reached the last 16 at the WTT Youth Contender Platja D'Aro, at which 12 English boys have competed.
Megan Jones and Naphong Boonyaprapa were the star turns with two gold medals apiece in the Under-17 events at the Mark Bates Ltd Cadet, U17 and Junior Nationals.
Mari Baldwin reached the last 16 of the WTT Youth Contender Villa Real event in Portugal and pushed the No 2 seed before going down in three games.
All five English players at the WTT Youth Contender Metz in France reached the knockout stages, with Ben Piggott and Connor Green going the furthest.
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