Czech Jonas Forejtek and Colombia's Maria Camila Osorio Serrano won their first junior Grand Slam titles at the 2019 US Open.
Forejtek defeated American Emilio Nava 6-7(4) 6-0 6-2 in the boys' final, while Osorio Serrano defeated American Alexandra Yepifanova 6-1 6-0.
Discover all the previous winners of the US Open Junior Championships, dating back to 1973, below