# 2017 Cary Challenger – Singles

James McGee was the defending champion but chose not to defend his title.
Kevin King won the title after defeating Cameron Norrie 6–4, 6–1 in the final.

## Seeds

* Ernesto Escobedo (second round)
* Tennys Sandgren (second round)
* Michael Mmoh (first round, retired)
* Tommy Paul (withdrew)
* Mitchell Krueger (quarterfinals)
* Noah Rubin (semifinals)
* Mackenzie McDonald (quarterfinals)
* Dennis Novikov (second round)
* Christian Garín (quarterfinals)

## 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 |
| PR | Kevin King | 6 | 4 | 6 | | | | |
| 6 | Noah Rubin | 2 | 6 | 4 | | | | |
| 6 | Noah Rubin | 2 | 6 | 4 | PR | Kevin King | 6 | 6 |
| | | | | | | Cameron Norrie | 4 | 1 |
| | Marcelo Arévalo | 0 | 4 | | | Cameron Norrie | 4 | 1 |
| | Cameron Norrie | 6 | 6 | | | | | |

### 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 | E Escobedo | 6 | 7$^7$ | | | | | | | | | | | | | | | |
| WC | P Kypson | 1 | 6$^0$ | | 1 | E Escobedo | 6 | 5 | 3 | | | | | | | | | |
| PR | K King | 6 | 7$^8$ | | PR | K King | 3 | 7 | 6 | | | | | | | | | |
| | Jared Hiltzik | 2 | 6$^6$ | | | | | | | PR | K King | 7$^7$ | 6 | | | | | |
| | F Mena | 6 | 4 | | | | | | | | F Mena | 6$^2$ | 4 | | | | | |
| Q | Ryan Haviland | 3 | 0$^r$ | | | F Mena | 6 | 6 | | | | | | | | | | |
| | A Krajicek | 6 | 5 | 5 | 8 | D Novikov | 4 | 3 | | | | | | | | | | |
| 8 | D Novikov | 4 | 7 | 7 | | | | | | | | | | PR | K King | 6 | 4 | 6 |
| 9 | C Garín | 6 | 6 | | | | | | | | | | | 6 | N Rubin | 2 | 6 | 4 |
| | R Sarmiento | 2 | 3 | | 9 | C Garín | 6 | 6 | | | | | | | | | | |
| LL | L Bambridge | 7$^7$ | 3 | 7$^7$ | LL | L Bambridge | 1 | 4 | | | | | | | | | | |
| WC | T-S Kwiatkowski | 6$^5$ | 6 | 6$^2$ | | | | | | 9 | C Garín | 4 | 2 | | | | | |
| Q | S Mansouri | 4 | 3 | | | | | | | 6 | N Rubin | 6 | 6 | | | | | |
| | JP Sorgi | 6 | 6 | | | JP Sorgi | 4 | 2 | | | | | | | | | | |
| | P Sakamoto | 3 | 3 | | 6 | N Rubin | 6 | 6 | | | | | | | | | | |
| 6 | N Rubin | 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 |
| 5 | M Krueger | 7$^7$ | 6 | | | | | | | | | | | | | |
| | Wil Spencer | 6$^4$ | 3 | | 5 | M Krueger | 6 | 6 | | | | | | | | |
| WC | W Blumberg | 6 | 7$^7$ | | WC | W Blumberg | 2 | 2 | | | | | | | | |
| | B Klein | 2 | 6$^5$ | | | | | | | 5 | M Krueger | 3 | 0 | | | |
| Q | Julian Zlobinsky | 6 | 5 | 7 | | | | | | | M Arévalo | 6 | 6 | | | |
| WC | A Galarneau | 4 | 7 | 5 | Q | J Zlobinsky | 2 | 6$^5$ | | | | | | | | |
| | M Arévalo | 5 | | | | M Arévalo | 6 | 7$^7$ | | | | | | | | |
| 3 | M Mmoh | 2$^r$ | | | | | | | | | | | | M Arévalo | 0 | 4 |
| 7 | M McDonald | 6 | 6 | | | | | | | | | | | C Norrie | 6 | 6 |
| PR | A Ward | 3 | 2 | | 7 | M McDonald | 6 | 7 | | | | | | | | |
| | C Harrison | 6 | 7 | | | C Harrison | 3 | 5 | | | | | | | | |
| Q | A Vukic | 3 | 5 | | | | | | | 7 | M McDonald | 1 | 3 | | | |
| | C Norrie | 6 | 6 | | | | | | | | C Norrie | 6 | 6 | | | |
| | S Bangoura | 2 | 3 | | | C Norrie | 6 | 2 | 6 | | | | | | | |
| | A Pavić | 4 | 4 | | 2 | T Sandgren | 3 | 6 | 2 | | | | | | | |
| 2 | T Sandgren | 6 | 6 | | | | | | | | | | | | | |