2016 Stockton ATP Challenger – Singles

This was the first edition of the tournament.

Frances Tiafoe won the title after defeating Noah Rubin 6–4, 6–2 in the final.

Seeds
• # 🇺🇸 Bjorn Fratangelo (first round)

• # 🇺🇸 Tim Smyczek (second round)

• # 🇺🇸 Frances Tiafoe (champion)

• # 🇨🇴 Santiago Giraldo (first round)

• # 🇺🇸 Denis Kudla (quarterfinals)

• # 🇮🇹 Alessandro Giannessi (quarterfinals)

• # 🇺🇸 Dennis Novikov (first round)

• # 🇫🇷 Quentin Halys (first round)