Andy Murray is struggling for form and fitness, and the latter has caused him to withdraw from the Cologne event that starts on Monday.
Andy Murray entered the ATP 250 tournament in Cologne to build up match practice, but he tumbled out in the first round on Tuesday.
A chastening loss to Stan Wawrinka means Andy Murray has additional time to prepare for back-to-back ATP events in Cologne.
Former world number one Andy Murray's return to clay court ended with a chastening straight-sets defeat to Stan Wawrinka at the French Open.
Dominic Thiem and Serena Williams have potentially testing routes to the French Open final after Thursday's draw.
Andy Murray dan Eugenie Bouchard diberikan tiket peluang khas dalam acara perseorangan Kejohanan Tenis Terbuka Perancis bermula minggu depan.
Former world number one Andy Murray made his grand slam return at the US Open and will get another shot at Roland Garros.
If Dominic Thiem falls to 0-4 in grand slam finals after Sunday's US Open final, the Austrian star could phone Andy Murray for advice.
After a second-round exit at the US Open, Andy Murray vowed to continue chasing grand slam glory.
Andy Murray's US Open campaign ended with a second-round loss to Felix Auger-Aliassime.