2013 US Open – Boys' singles

Boys' singles
2013 US Open
Champion Borna Ćorić
Runner-up Thanasi Kokkinakis
Score3–6, 6–3, 6–1

Filip Peliwo was the champion the previous year, but could not defend his title as he was no longer eligible to compete in junior tennis.
Borna Ćorić won the title, defeating Thanasi Kokkinakis in the final, 3–6, 6–3, 6–1.