The 2003 Ordina Open was a tennis tournament played on grass courts in Rosmalen, 's-Hertogenbosch in the Netherlands that was part of the International Series of the 2003 ATP Tour and of Tier III of the 2003 WTA Tour. The tournament was held from 16 June until 22 June 2003. Sjeng Schalken and Kim Clijsters won the singles titles.
See main article: 2003 Ordina Open – Men's singles. Sjeng Schalken defeated Arnaud Clément 6–3, 6–4
See main article: 2003 Ordina Open – Women's singles. Kim Clijsters defeated Justine Henin-Hardenne 6–7(4–7), 3–0 (Henin-Hardenne retired)
See main article: 2003 Ordina Open – Men's doubles. Martin Damm / Cyril Suk defeated Donald Johnson / Leander Paes 7–5, 7–6(7–4)
See main article: 2003 Ordina Open – Women's doubles. Elena Dementieva / Lina Krasnoroutskaya defeated Nadia Petrova / Mary Pierce 2–6, 6–3, 6–4