2003 US Open – Boys' Singles

Richard Gasquet was the defending champion, but did not compete in the juniors that year. Jo-Wilfried Tsonga won the tournament, defeating Marcos Baghdatis in the final, 7–6(7–4), 6–3.

2003 US Open – Boys' Singles

Richard Gasquet was the defending champion, but did not compete in the juniors that year. Jo-Wilfried Tsonga won the tournament, defeating Marcos Baghdatis in the final, 7–6(7–4), 6–3.