199091
Between 1960 and 1981 , Erik beat six of the then-top players ; John McEnroe , Stan Smith , Arthur Ashe , Jimmy Connors , Guillermo Vilas , and Ilie Năstase .
 Erik, John McEnroe, Stan Smith, Arthur Ashe, Guillermo Vilas, Ilie Năstase
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Erik, John McEnroe, Stan Smith, Arthur Ashe, Guillermo Vilas, Ilie Năstase