About: http://webisa.webdatacommons.org/455452422

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	But already then he had potential in his game and for example pushed Federer in many of his matches early in the career.
http://www.w3.org/ns/prov#wasQuotedFrom	menstennisforums.com