Defending champion in the singles was Juan Martín del Potro , who no longer took part in the tournament this year. The winner was the unseeded Jérémy Chardy , who could win his first tournament of his career. In the final, he prevailed against fourth seeding list Victor Hănescu in three sets with 1: 6, 6: 3 and 6: 4. In doubles, Christopher Kas and Philipp Kohlschreiber were the defending champions, but they did not compete together this year. While Kohlschreiber did not take part, Kas and his partner were eliminated in the first round. This year's winners were František Čermák and Michal Mertiňák , who defeated the Romanian doubles Victor Hănescu and Horia Tecău 7: 5, 6: 4. For Čermák it was already the second double title in Stuttgart after he won in 2007 together with Leoš Friedl .
The field of participants in the individual competition consisted of 32 players, that of the doubles competition consisted of 16 pairs. The total prize money was 398,250 euros; the total financial liabilities were 450,000 euros.
The qualification took place from July 11th to 12th, 2009. Four qualifying places were played, which entitle them to participate in the main draw of the tournament. There was also a lucky loser.
The following prize money and world ranking points were paid out or credited for reaching the respective round. Players who moved into the main draw via qualification received the specified qualification points in addition to those for reaching the respective round. Otherwise the amounts are not to be understood as cumulative. Prize money for the double competition applies per team.