2015 Tiburon Challenger

The 2015 Tiburon Challenger was a professional tennis tournament played on outdoor hard courts. It was the ninth edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Tiburon, United States between September 26 and October 4, 2015.

Seeds

 * 1 Rankings are as of September 21, 2015.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇸🇪 André Göransson
 * 🇺🇸 Chase Buchanan
 * 🇺🇸 Deiton Baughman
 * 🇺🇸 Mackenzie McDonald

The following players received entry into the singles main draw courtesy of a protected ranking:
 * 🇨🇦 Peter Polansky

The following players received entry into the singles main draw as a special exempt:
 * 🇺🇸 Alex Kuznetsov

The following players received entry into the singles main draw as an alternate:
 * 🇧🇬 Dimitar Kutrovsky

The following players received entry from the qualifying draw:
 * 🇺🇸 Dennis Nevolo
 * Henri Laaksonen
 * 🇺🇸 Nicolas Meister
 * 🇺🇸 Sekou Bangoura

Singles

 * 🇺🇸 Tim Smyczek def. 🇺🇸 Denis Kudla, 1–6, 6–1, 7–6(9–7).

Doubles

 * 🇸🇪 Johan Brunström / Frederik Nielsen def. 🇦🇺 Carsten Ball / 🇦🇺 Matt Reid, 7–6(7–2), 6–2.