About: http://webisa.webdatacommons.org/219210922

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	They have played a zillion times together and we all can predict the outcomes depending on the surface, especially Clay.
http://www.w3.org/ns/prov#wasQuotedFrom	tennis-x.com