# 2015 Tiburon Challenger – Singles

Sam Querrey was the defending champion, but chose not to compete this year.

## Seeds

* Denis Kudla (final)
* Kyle Edmund (first round)
* Tim Smyczek (champion)
* Dustin Brown (first round)
* Ryan Harrison (second round)
* Bjorn Fratangelo (quarterfinals, retired)
* Blaž Rola (quarterfinals)
* Jared Donaldson (second round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1 | Denis Kudla | 6 | 1 | 6 | | | | | |
| WC | Mackenzie McDonald | 2 | 6 | 4 | | | | | |
| WC | Mackenzie McDonald | 2 | 6 | 4 | 1 | Denis Kudla | 6 | 1 | 6$^7$ |
| | | | | | 3 | Tim Smyczek | 1 | 6 | 7$^9$ |
| 3 | Tim Smyczek | 6 | 6 | | 3 | Tim Smyczek | 1 | 6 | 7$^9$ |
| | Quentin Halys | 3 | 1 | | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | D Kudla | 4 | 7$^7$ | 6 | | | | | | | | | | | | | | |
| | Connor Smith | 6 | 6$^2$ | 0 | 1 | D Kudla | 2 | 6 | 6 | | | | | | | | | |
| Q | H Laaksonen | 6 | 6 | | Q | H Laaksonen | 6 | 4 | 3 | | | | | | | | | |
| WC | A Göransson | 2 | 4 | | | | | | | 1 | D Kudla | 6 | 6 | | | | | |
| PR | P Polansky | 4 | 3 | | | | | | | 7 | B Rola | 4 | 3 | | | | | |
| Alt | D Kutrovsky | 6 | 6 | | Alt | D Kutrovsky | 3 | 1 | | | | | | | | | | |
| | F Tiafoe | 7$^7$ | 6$^6$ | 3 | 7 | B Rola | 6 | 6 | | | | | | | | | | |
| 7 | B Rola | 6$^0$ | 7$^8$ | 6 | | | | | | | | | | 1 | D Kudla | 6 | 1 | 6 |
| 4 | D Brown | 2 | 5 | | | | | | | | | | | WC | M McDonald | 2 | 6 | 4 |
| Q | S Bangoura | 6 | 7 | | Q | S Bangoura | 3 | 6 | 6$^3$ | | | | | | | | | |
| WC | M McDonald | 6 | 6 | | WC | M McDonald | 6 | 3 | 7$^7$ | | | | | | | | | |
| | F Nielsen | 4 | 4 | | | | | | | WC | M McDonald | 4 | | | | | | |
| SE | A Kuznetsov | 7$^7$ | 6 | | | | | | | 6 | B Fratangelo | 0$^r$ | | | | | | |
| Q | N Meister | 6$^4$ | 3 | | SE | A Kuznetsov | 6$^5$ | 6 | 3 | | | | | | | | | |
| WC | C Buchanan | 1 | 3 | | 6 | B Fratangelo | 7$^7$ | 3 | 6 | | | | | | | | | |
| 6 | B Fratangelo | 6 | 6 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | R Harrison | 6 | 6 | | | | | | | | | | | | | | |
| WC | D Baughman | 3 | 3 | | 5 | R Harrison | 6$^4$ | 6 | 3 | | | | | | | | |
| | D Novikov | 4 | 3 | | | M Michalička | 7$^7$ | 4 | 6 | | | | | | | | |
| | M Michalička | 6 | 6 | | | | | | | | M Michalička | 3 | 1 | | | | |
| Q | Dennis Nevolo | 7 | 7$^7$ | | | | | | | 3 | T Smyczek | 6 | 6 | | | | |
| | A Bossel | 5 | 6$^5$ | | Q | D Nevolo | 2 | 6 | 1 | | | | | | | | |
| | J McGee | 6$^5$ | 4 | | 3 | T Smyczek | 6 | 3 | 6 | | | | | | | | |
| 3 | T Smyczek | 7$^7$ | 6 | | | | | | | | | | | 3 | T Smyczek | 6 | 6 |
| 8 | J Donaldson | 6 | 6 | | | | | | | | | | | | Q Halys | 3 | 1 |
| | D King | 1 | 4 | | 8 | J Donaldson | 3 | 6$^3$ | | | | | | | | | |
| | M Krueger | 6 | 6$^5$ | 6 | | M Krueger | 6 | 7$^7$ | | | | | | | | | |
| | P Bester | 4 | 7$^7$ | 1 | | | | | | | M Krueger | 4 | 3 | | | | |
| | Q Halys | 6 | 6 | | | | | | | | Q Halys | 6 | 6 | | | | |
| | T Sandgren | 3 | 1 | | | Q Halys | 7$^7$ | 6 | | | | | | | | | |
| | B Klein | 6 | 6 | | | B Klein | 6$^2$ | 3 | | | | | | | | | |
| 2 | K Edmund | 4 | 1 | | | | | | | | | | | | | | |