Nine-year-old Harry Finney stormed to victory at the Derbyshire County Closed Championships.
The youngster won the boys' under-10 title by beating Reuben Shahidullah, also nine, 4-2, 4-2 in the final.
Both boys had beaten older players to reach the last round and their match was among more than 50 played in the ongoing championships at Duffield Tennis Club.
Sam Ferguson and Jay Clarke, meanwhile, have reached both the under-12 and under-14 semi-finals.
Ferguson celebrated an emphatic 6-2, 6-0 win against Ben Sanders and beat Dominic Collins 6-2, 6-2 to reach the penultimate rounds of both categories, while Clarke took wins over Finlay Johnson and George Finney.