The 2015 RBC Tennis Championships of Dallas was a professional tennis tournament played on indoor hard courts. It was the 18th edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Dallas, United States between 2 and 8 February 2015.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Kazakhstan | Mikhail Kukushkin | 51 | 1 | |
 Russian Federation | Teymuraz Gabashvili | 67 | 2 | |
| Blaž Rola | 80 | 3 | ||
| Tim Smyczek | 112 | 4 | ||
| Denis Kudla | 123 | 5 | ||
 Romania | Victor Hănescu | 134 | 6 | |
| Rajeev Ram | 140 | 7 | ||
| Gastão Elias | 143 | 8 |
The following players received wildcards into the singles main draw:
Thai-Son Kwiatkowski Eric Quigley Connor Smith Ryan SweetingThe following players got into the singles main draw as a special exempt:
The following players got into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
Cameron Norrie Andrey Rublev
Maxime TchoutakianSee main article: 2015 RBC Tennis Championships of Dallas – Singles.
Tim Smyczek def. Rajeev Ram, 6–2, 4–1, ret.See main article: 2015 RBC Tennis Championships of Dallas – Doubles.
Denys Molchanov / Andrey Rublev def. 
Hans Hach Verdugo / Luis Patiño, 6–4, 7–6(7–5)