The 2011 Open de la Réunion was a professional tennis tournament played on hard courts. It was the first edition of the tournament which was part of the 2011 ATP Challenger Tour. It took place in Réunion and was originally scheduled to last between 24 and 30 January 2011. The tournament has not been finished, as all singles quarterfinal and doubles semifinal matches has been cancelled by the supervisor, due to heavy rain and flooding.[1] [2]
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 France | Florent Serra | 69 | 1 | |
 Poland | Michał Przysiężny | 84 | 2 | |
 Austria | Andreas Haider-Maurer | 117 | 3 | |
| France | Stéphane Robert | 124 | 4 | |
| France | Édouard Roger-Vasselin | 125 | 5 | |
 Kazakhstan | Yuri Schukin | 127 | 6 | |
| France | Vincent Millot | 160 | 7 | |
| France | David Guez | 183 | 8 |
The following players received wildcards into the singles main draw:
Florent Serra Quentin Robert
Clement MaasThe following players received entry from the qualifying draw:
Yann Drieux Olivier Duberville Mark Sibilla Philippe VadelSee main article: 2011 Open de la Réunion – Singles. Singles event has not been completed due to flooding. No championship has been awarded.
See main article: 2011 Open de la Réunion – Doubles. Doubles event has not been completed due to flooding. No championship has been awarded.