2003 Allianz Suisse Open Gstaad – Singles

Àlex Corretja was the defending champion but lost in the second round to David Sánchez. Jiří Novák won in the final 5–7, 6–3, 6–3, 1–6, 6–3 against Roger Federer. This tournament was also notable for being the first ATP tournament in which future Grand Slam Champion Stanislas Wawrinka competed in the main draw. He drew Jean-René Lisnard in the first round and was defeated.

2003 Allianz Suisse Open Gstaad – Singles

Àlex Corretja was the defending champion but lost in the second round to David Sánchez. Jiří Novák won in the final 5–7, 6–3, 6–3, 1–6, 6–3 against Roger Federer. This tournament was also notable for being the first ATP tournament in which future Grand Slam Champion Stanislas Wawrinka competed in the main draw. He drew Jean-René Lisnard in the first round and was defeated.