2015 RBC Tennis Championships of Dallas – Singles

Steve Johnson was the defending champion but did not participate.

Tim Smyczek won the title when Rajeev Ram retired in the final.

Seeds
• # 🇰🇿 Mikhail Kukushkin (first round)

• # 🇷🇺 Teymuraz Gabashvili (semifinals)

• # Blaž Rola  (first round)

• # 🇺🇸 Tim Smyczek (champion)

• # 🇺🇸 Denis Kudla (second round)

• # 🇷🇴 Victor Hănescu (second round)

• # 🇺🇸 Rajeev Ram (final, retired)

• # Gastão Elias (first round)