2015 Stockton Challenger – Singles

This was a new event to the ITF Women's Circuit in 2015.

Nao Hibino won the title, defeating An-Sophie Mestach in the final, 6–1, 7–6(8–6).

Seeds
• # 🇧🇪 An-Sophie Mestach (final)

• # 🇯🇵 Eri Hozumi (first round)

• # 🇺🇸 Maria Sanchez (first round)

• # 🇺🇸 Catherine Bellis (first round)

• # 🇯🇵 Nao Hibino (champion)

• # 🇺🇸 Julia Boserup (first round)

• # 🇯🇵 Mayo Hibi (quarterfinals)

• # 🇬🇧 Naomi Broady (second round)