The 2003 Welsh Open (officially the 2003 Regal Welsh Open) was a professional ranking snooker tournament that took place from 22 to 26 January at the Cardiff International Arena in Cardiff, Wales. Paul Hunter was the defending champion, but he lost in the semi-finals 2–6 against Mark Williams. Williams in turn lost to Stephen Hendry 9–5 in the final. Hendry won his third Welsh Open title and the 34th ranking title of his career.

Tournament summary

Defending champion Paul Hunter was the number 1 seed with World Champion Peter Ebdon seeded 2. The remaining places were allocated to players based on the world rankings.

Prize fund

The breakdown of prize money for this year is shown below: Winner: £82,500 Runner-up: £42,500 Semi-final: £21,250 Quarter-final: £11,700 Last 16: £9,600 Last 32: £7,800 Last 48: £4,000 Last 64: £3,150 Last 80: £2,150 Last 96: £1,450 Stage one highest break: £1,800 Stage two highest break: £7,500 Stage one maximum break: £5,000 Stage two maximum break: £20,000 Total: £597,200

Main draw

Final

Qualifying

Round 1

Best of 9 frames

Round 2–5

Century breaks