# 1969 U.S. Professional Indoor – singles

> tennis tournament event

**Wikidata**: [Q2091450](https://www.wikidata.org/wiki/Q2091450)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/1969_Philadelphia_International_Indoor_Open_Championships_–_Singles)  
**Source**: https://4ort.xyz/entity/1969-u-s-professional-indoor-singles