2013 Napa Valley Challenger – Singles

This was the first edition of the event.

Donald Young won the title, defeating Matthew Ebden in the final, 4–6, 6–4, 6–2.

Seeds
• # 🇺🇸 Denis Kudla (quarterfinals)

• # 🇺🇸 Tim Smyczek (semifinals)

• # 🇺🇸 Rhyne Williams (quarterfinals)

• # 🇺🇸 Alex Kuznetsov (semifinals)

• # 🇺🇸 Bradley Klahn (quarterfinals)

• # 🇦🇺 Matthew Ebden (final)

• # 🇺🇸 Steve Johnson (first round)

• # 🇺🇸 Donald Young (champion)