Jakub Piwowar reached the last 16 of two age groups at the WTT Youth Contender Varazdin in Croatia, with a number of other players also getting through to the knockout stages.
England secured a top-10 finish in the team competition and Sienna Jetha reached the singles last 16 at the European under-13 Challenge in Montenegro.
Max Radiven and Sienna Jetha took the under-13 singles titles on day one of the Mark Bates Ltd U11 & U13 National Championships.
Jakub Piwowar reached the last 16 at the WTT Youth Contender Platja D'Aro, at which 12 English boys have competed.
Jakub Piwowar narrowly failed to match his brother Kacper's feat as he was defeated in the final of the under-15 boys' singles at the WTT Youth Contender Tunis.
Kacper Piwowar is the WTT Youth Contender Tunis under-13 boys champion after staving off a comeback from his opponent to win the final 3-2.
Seven English boys made it through to the knockout stages of the WTT Youth Contender Villa Real in Portugal, with Connor Green, Joseph Hunter and Jakub Piwowar doing so in two age groups.
Three athletes representing three different nations have been selected for the Performance section of the new GB Junior Squad.
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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