The 2009 Ordina Open is a tennis tournament played on outdoor grass courts. It is the 20th edition of the Ordina Open, and is part of the International Series of the 2009 ATP Tour, and of the WTA International tournaments of the 2009 WTA Tour. Both the men's and the women's events take place at the Autotron park in Rosmalen, 's-Hertogenbosch, Netherlands, from 14 June through 20 June 2009. Benjamin Becker and Tamarine Tanasugarn won the singles titles.
| 2009 Ordina Open | |
|---|---|
| Date | 14–20 June |
| Edition | 20th |
| Surface | Grass / outdoor |
| Location | Rosmalen, 's-Hertogenbosch, Netherlands |
| Champions | |
| Men's singles | |
 Benjamin Becker | |
| Women's singles | |
 Tamarine Tanasugarn | |
| Men's doubles | |
 Wesley Moodie /  Dick Norman | |
| Women's doubles | |
 Sara Errani / Flavia Pennetta | |
ATP entrants
Seeds
| Player | Nationality | Ranking* | Seeding |
|---|---|---|---|
| Fernando Verdasco |  Spain | 8 | 1 |
| Tommy Robredo | Spain | 15 | 2 |
| David Ferrer | Spain | 18 | 3 |
| Rainer Schüttler | Germany | 32 | 4 |
| Igor Kunitsyn |  Russia | 39 | 5 |
| Marc Gicquel |  France | 40 | 6 |
| Jérémy Chardy | France | 43 | 7 |
| Mischa Zverev | Germany | 45 | 8 |
- Seedings are based on the rankings of June 8, 2009.
Other entrants
The following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
WTA entrants
Seeds
| Player | Nationality | Ranking* | Seeding |
|---|---|---|---|
| Dinara Safina | Russia | 1 | 1 |
| Dominika Cibulková |  Slovakia | 14 | 2 |
| Flavia Pennetta | Italy | 15 | 3 |
| Sorana Cîrstea |  Romania | 27 | 4 |
| Alona Bondarenko |  Ukraine | 30 | 5 |
| Daniela Hantuchová | Slovakia | 33 | 6 |
| Iveta Benešová |  Czech Republic | 35 | 7 |
| Elena Vesnina | Russia | 39 | 8 |
- Seedings are based on the rankings of June 8, 2009.
Other entrants
The following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
The following players got entry through the Lucky loser spot:
Champions
Men's singles
Benjamin Becker defeated 
Raemon Sluiter, 7–5, 6–3
- It was Becker's first career title.
Women's singles
Tamarine Tanasugarn defeated Yanina Wickmayer, 6–3, 7–5
- It was Tamarine Tanasugarn's 1st title of the year, and her 3rd overall.
Men's doubles
Wesley Moodie / Dick Norman defeated 
Johan Brunström / 
Jean-Julien Rojer, 7–6(7–3), 6–7(8–10), [10–5]
Women's doubles
Sara Errani / Flavia Pennetta defeated Michaëlla Krajicek / Yanina Wickmayer 6–4, 5–7, [13–11]