51497
Philipp Kohlschreiber , 7 – 6 ( 7 – 1 ) , 3 – 6 , 6 – 2 Doubles Colin Fleming / Ken Skupski def .
 Philipp Kohlschreiber, Colin Fleming, Ken Skupski
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Philipp Kohlschreiber, Colin Fleming, Ken Skupski