2003 Australian Open – Boys' singles

Clément Morel was the defending champion, but did not compete in the Juniors in this year.

Marcos Baghdatis defeated Florin Mergea (6–4, 6–4) in the final. Baghdatis would later reach the final of the men's tournament in 2006, losing to Roger Federer.

Seeds

Draw

Finals

Top half

Section 1

Section 2

Bottom half

Section 3

Section 4

References

Sources Draw