It was the 21st edition of the event known that year as the Gerry Weber Open and was part of the ATP World Tour 250 series of the 2013 ATP World Tour.
2013 ATP Challenger Tour | 2013 | Australian Open | French Open | 2013 ATP World Tour | Open University | open source | 2013 Southeast Asian Games | 2013 ITF Women's Circuit | U.S. Open | Carl Maria von Weber | Weber | 2013 WTA Tour | 2013 Island Games | Wacken Open Air | Eurovision Song Contest 2013 | Bruce Weber | The Open Championship | Max Weber | Gerry Anderson | 2013 Mediterranean Games | Bruce Weber (photographer) | U.S. Open (tennis) | Big East Conference (1979–2013) | 2013 World Aquatics Championships | 2013–14 figure skating season | All England Open Badminton Championships | U.S. Open (golf) | Open Source | Open-pit mining |