2003 French Open – Boys' singles

In the 2003 French Open tennis tournament, the boys' singles competition was won by Stan Wawrinka of Switzerland.

Seeds

 * 1) 🇨🇾 Marcos Baghdatis (quarterfinals)
 * 2)  Nicolás Almagro (semifinals)
 * 3) 🇮🇱 Dudi Sela (quarterfinals)
 * 4) 🇫🇷 Jo-Wilfried Tsonga (semifinals)
 * 5)  Stanislas Wawrinka (champion)
 * 6) 🇺🇸 Brian Baker (final)
 * 7)  Daniel Gimeno Traver (quarterfinals)
 * 8) 🇫🇷 Mathieu Montcourt (quarterfinals)
 * 9)  Florin Mergea (third round)
 * 10) 🇭🇺 György Balázs (third round)
 * 11) 🇧🇷 Bruno Rosa (first round)
 * 12) 🇦🇺 Chris Guccione (second round)
 * 13) 🇺🇸 Chris Kwon (first round)
 * 14) 🇬🇧 Andy Murray (third round)
 * 15) 🇲🇽 Luis Flores (third round)
 * 16) 🇧🇷 Leonardo Kirche (second round)