Tennis tournament
The Oakland Pro Championships was a men's and women's professional tennis tournament first held in 1968. Also known as the NTL Oakland Pro Championships it was first played on indoor carpet courts at the Oakland Arena, Oakland, United States. The event ran for two editions until 1969. 
History.
The Oakland Pro Championships was a men's and women's indoor carpet court professional tennis tournament founded in 1968. It was played at the Oakland Arena, Oakland, United States. In 1968 the event became part of the National Tennis League and for that tour was branded as the NTL Oakland Pro Championships. In 1969 the event was rebranded as the Oakland Invitational Pro Championships. During this final edition the men's singles final was held at the Oakland Arena, whilst the women's singles final was held at the Chabot College Tennis Centre, Hayward, California. 
References.
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