# 2017 Tiburon Challenger – Singles

Darian King was the defending champion but lost in the first round to Mackenzie McDonald.
Cameron Norrie won the title after defeating Tennys Sandgren 6–2, 6–3 in the final.

## Seeds

* Ruben Bemelmans (first round)
* Tennys Sandgren (final)
* Quentin Halys (second round)
* Michael Mmoh (quarterfinals)
* Ramkumar Ramanathan (first round)
* Darian King (first round)
* Félix Auger-Aliassime (first round)
* Cameron Norrie (champion)

## 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 | Final | Final | Final | Final |
| | Prajnesh Gunneswaran | 3 | 2 | | | | |
| 8 | Cameron Norrie | 6 | 6 | | | | |
| 8 | Cameron Norrie | 6 | 6 | 8 | Cameron Norrie | 6 | 6 |
| | | | | 2 | Tennys Sandgren | 2 | 3 |
| | Mackenzie McDonald | 6$^4$ | 6$^3$ | 2 | Tennys Sandgren | 2 | 3 |
| 2 | Tennys Sandgren | 7$^7$ | 7$^7$ | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | R Bemelmans | 6 | 3 | 3 | | | | | | | | | | | | | | |
| WC | T Fawcett | 3 | 6 | 6 | WC | T Fawcett | 3 | 4 | | | | | | | | | | |
| SE | F Dancevic | 7$^7$ | 6 | | SE | F Dancevic | 6 | 6 | | | | | | | | | | |
| WC | A Sarkissian | 6$^5$ | 4 | | | | | | | SE | F Dancevic | 6 | 4 | 4 | | | | |
| Q | E King | 2 | 4 | | | | | | | | P Gunneswaran | 4 | 6 | 6 | | | | |
| | P Gunneswaran | 6 | 6 | | | P Gunneswaran | 7$^7$ | 6 | | | | | | | | | | |
| Q | D Baughman | 6 | 6 | | Q | D Baughman | 6$^5$ | 4 | | | | | | | | | | |
| 7 | F Auger-Aliassime | 2 | 2 | | | | | | | | | | | | | P Gunneswaran | 3 | 2 |
| 4 | M Mmoh | 6 | 6 | | | | | | | | | | | | 8 | C Norrie | 6 | 6 |
| | N Rubin | 1 | 2 | | 4 | M Mmoh | 6 | 2 | 7$^9$ | | | | | | | | | |
| | C Garín | 3 | 1 | | | T Kamke | 3 | 6 | 6$^7$ | | | | | | | | | |
| | T Kamke | 6 | 6 | | | | | | | 4 | M Mmoh | 5 | 2 | | | | | |
| | S Groth | 4 | 5 | | | | | | | 8 | C Norrie | 7 | 6 | | | | | |
| | M Krueger | 6 | 7 | | | M Krueger | 6 | 2 | 2 | | | | | | | | | |
| | E Ymer | 5 | 6 | 5 | 8 | C Norrie | 4 | 6 | 6 | | | | | | | | | |
| 8 | C Norrie | 7 | 3 | 7 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | D King | 5 | 3 | | | | | | | | | | | | | | |
| | M McDonald | 7 | 6 | | | M McDonald | 7$^8$ | 6 | | | | | | | | | |
| | D Kudla | 6$^5$ | 7 | 6 | | D Kudla | 6$^6$ | 2 | | | | | | | | | |
| LL | T Smyczek | 7$^7$ | 5 | 3 | | | | | | M McDonald | 6 | 3 | 6 | | | | |
| PR | A González | 6 | 6 | | | | | | PR | A González | 4 | 6 | 1 | | | | |
| SE | A Ward | 2 | 4 | | PR | A González | 6 | 6 | | | | | | | | | |
| LL | F Peliwo | 6 | 1 | 2 | 3 | Q Halys | 4 | 3 | | | | | | | | | |
| 3 | Q Halys | 2 | 6 | 6 | | | | | | | | | | | M McDonald | 6$^4$ | 6$^3$ |
| 5 | R Ramanathan | 1 | 2 | | | | | | | | | | | 2 | T Sandgren | 7$^7$ | 7$^7$ |
| LL | J Choinski | 6 | 6 | | LL | J Choinski | 4 | 6$^5$ | | | | | | | | | |
| WC | C Harrison | 6 | 6 | | WC | C Harrison | 6 | 7$^7$ | | | | | | | | | |
| Q | K Uchida | 2 | 4 | | | | | | WC | C Harrison | 1 | 2 | | | | | |
| WC | Wayne Montgomery | 3 | 3 | | | | | | 2 | T Sandgren | 6 | 6 | | | | | |
| | B Schnur | 6 | 6 | | | B Schnur | 1 | 6$^5$ | | | | | | | | | |
| Q | S Bangoura | 4 | 4 | | 2 | T Sandgren | 6 | 7$^7$ | | | | | | | | | |
| 2 | T Sandgren | 6 | 6 | | | | | | | | | | | | | | |