2013 MercedesCup – Singles

Singles
2013 MercedesCup
Champion Fabio Fognini
Runner-up Philipp Kohlschreiber
Score5–7, 6–4, 6–4
Draw28
Seeds8

The 2013 MercedesCup was a men's tennis tournament held at the Tennis Club Weissenhof in Stuttgart, Germany. Janko Tipsarević was the defending champion, but chose not to compete.
Fabio Fognini won the title, defeating Philipp Kohlschreiber in the final, 5–7, 6–4, 6–4.