1968 Philadelphia International Indoor Championships – Singles

The event was being held for the first time during the open-era.

Manuel Santana won the title, beating Jan Leschly 8–6, 6–3 in the final.

Seeds

 * 1) 🇺🇸 Charlie Pasarell (semifinals)
 * 2) 🇪🇸 Manuel Santana (champion)
 * 3) 🇺🇸 Arthur Ashe (semifinals)
 * 4) Jan Leschly (final)