Napoli CH 2003
Richard Gasquet won the title, beating Gilles Muller 6–4 6–4 in the final.
Main draw 32 players
- 1🇲🇨Jean Rene LisnardRound of 32 · Lost to Marcelo Charpentier
- 2🇨🇭Marc RossetRound of 16 · Lost to Vasilis Mazarakis
- 3🇫🇷Richard GasquetFinal · Champion
- 4🇦🇺Scott DraperRound of 32 · Lost to Daniel Elsner
- 5🇧🇪Christophe RochusRound of 32 · Lost to Martin Vassallo Arguello
- 6🇦🇺Peter LuczakRound of 32 · Lost to Jan Hajek
- 7🇮🇹Giorgio GalimbertiSemifinals · Lost to Richard Gasquet
- 8🇷🇴Victor HanescuRound of 16 · Lost to Gilles Muller
- Q🇱🇺Gilles MullerFinal · Lost to Richard Gasquet
- 🇮🇹Potito StaraceSemifinals · Lost to Gilles Muller
- 🇳🇱Dennis Van ScheppingenQuarterfinals · Lost to Gilles Muller
- 🇦🇷Martin Vassallo ArguelloQuarterfinals · Lost to Potito Starace
- 🇫🇷Nicolas CoutelotQuarterfinals · Lost to Richard Gasquet
- 🇬🇷Vasilis MazarakisQuarterfinals · Lost to Giorgio Galimberti
- 🇩🇪Bjorn PhauRound of 16 · Lost to Richard Gasquet
- Q🇩🇪Daniel ElsnerRound of 16 · Lost to Dennis Van Scheppingen
- WC🇮🇹Giancarlo PetrazzuoloRound of 16 · Lost to Giorgio Galimberti
- 🇨🇿Jan HajekRound of 16 · Lost to Nicolas Coutelot
- 🇨🇿Jiri VanekRound of 16 · Lost to Martin Vassallo Arguello
- 🇦🇷Marcelo CharpentierRound of 16 · Lost to Potito Starace
- WC🇮🇹Andreas SeppiRound of 32 · Lost to Jiri Vanek
- 🇦🇷Diego MoyanoRound of 32 · Lost to Victor Hanescu
- 🇷🇸Janko TipsarevicRound of 32 · Lost to Marc Rosset
- 🇫🇷Julien BenneteauRound of 32 · Lost to Potito Starace
- 🇭🇷Lovro ZovkoRound of 32 · Lost to Nicolas Coutelot
- Q🇪🇸Marc Fornell MestresRound of 32 · Lost to Richard Gasquet
- LL🇫🇷Nicolas MahutRound of 32 · Lost to Gilles Muller
- WC🇦🇹Rafael SchaerfRound of 32 · Lost to Vasilis Mazarakis
- 🇸🇪Robin SoderlingRound of 32 · Lost to Dennis Van Scheppingen
- Q🇩🇿Slimane SaoudiRound of 32 · Lost to Bjorn Phau
- WC🇩🇪Stefan ImielskiRound of 32 · Lost to Giancarlo Petrazzuolo
- 🇦🇺Todd LarkhamRound of 32 · Lost to Giorgio Galimberti