# 1968 U.S. Professional Indoor

> tennis tournament

**Wikidata**: [Q4001729](https://www.wikidata.org/wiki/Q4001729)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/1968_Philadelphia_International_Indoor_Championships)  
**Source**: https://4ort.xyz/entity/1968-u-s-professional-indoor