# 2017 Nordic Naturals Challenger – Singles

Dan Evans was the defending champion, but did not play to defend his title.
Alexander Bublik won the title after defeating Liam Broady 6–2, 6–3 in the final.

## Seeds

* Malek Jaziri (first round)
* Jordan Thompson (first round)
* Henri Laaksonen (second round)
* Ruben Bemelmans (first round)
* Mikhail Kukushkin (second round)
* Tennys Sandgren (quarterfinals)
* Casper Ruud (first round)
* Bjorn Fratangelo (first 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 | Final | Final | Final | Final |
| WC | Taylor Fritz | 6$^3$ | 3 | | | | |
| Q | Liam Broady | 7$^7$ | 6 | | | | |
| Q | Liam Broady | 7$^7$ | 6 | Q | Liam Broady | 2 | 3 |
| | | | | | Alexander Bublik | 6 | 6 |
| | Alexander Bublik | 7$^7$ | 6 | | Alexander Bublik | 6 | 6 |
| | Sam Groth | 6$^2$ | 3 | | | | |

### 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 |
| 1 | M Jaziri | 2 | 1 | | | | | | | | | | | | | | |
| Q | A Krajicek | 6 | 6 | | Q | A Krajicek | 6 | 1 | 2 | | | | | | | | |
| WC | T Fritz | 6 | 6 | | WC | T Fritz | 2 | 6 | 6 | | | | | | | | |
| | K Kravchuk | 3 | 4 | | | | | | | WC | T Fritz | 7 | 7$^7$ | | | | |
| WC | M McDonald | 6$^3$ | 6 | 6 | | | | | | 6 | T Sandgren | 5 | 6$^1$ | | | | |
| | J Millman | 7$^7$ | 4 | 0 | WC | M McDonald | 1 | 2 | | | | | | | | | |
| Q | F Nielsen | 2 | 4 | | 6 | T Sandgren | 6 | 6 | | | | | | | | | |
| 6 | T Sandgren | 6 | 6 | | | | | | | | | | | WC | T Fritz | 6$^3$ | 3 |
| 4 | R Bemelmans | 6 | 4 | 2 | | | | | | | | | | Q | L Broady | 7$^7$ | 6 |
| Q | L Broady | 3 | 6 | 6 | Q | L Broady | 6 | 6 | | | | | | | | | |
| Alt | J De Loore | 6 | 6 | | Alt | J De Loore | 2 | 2 | | | | | | | | | |
| WC | John Lamble | 3 | 1 | | | | | | | Q | L Broady | 6 | 6 | | | | |
| | N Rubin | 6$^5$ | 2 | | | | | | | SE | R Sarmiento | 4 | 4 | | | | |
| SE | R Sarmiento | 7$^7$ | 6 | | SE | R Sarmiento | 6 | 4 | 6 | | | | | | | | |
| | Q Halys | 6 | 3 | 6 | | Q Halys | 4 | 6 | 3 | | | | | | | | |
| 7 | C Ruud | 4 | 6 | 3 | | | | | | | | | | | | | |

### 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 Kukushkin | 6 | 6 | | | | | | | | | | | | | |
| | T Gabashvili | 4 | 4 | | 5 | M Kukushkin | 7$^7$ | 6$^3$ | 3 | | | | | | | |
| | G Sakharov | 4 | 4 | | WC | D Novikov | 6$^3$ | 7$^7$ | 6 | | | | | | | |
| WC | D Novikov | 6 | 6 | | | | | | | WC | D Novikov | 1 | 4 | | | |
| | A Bublik | 6 | 2 | 6 | | | | | | | A Bublik | 6 | 6 | | | |
| | M Krueger | 3 | 6 | 4 | | A Bublik | 6 | 6 | | | | | | | | |
| | R Ramanathan | 3 | 2 | | 3 | H Laaksonen | 1 | 1 | | | | | | | | |
| 3 | H Laaksonen | 6 | 6 | | | | | | | | | | | A Bublik | 7$^7$ | 6 |
| 8 | B Fratangelo | 7$^7$ | 4 | 3 | | | | | | | | | | S Groth | 6$^2$ | 3 |
| | S Groth | 6$^5$ | 6 | 6 | | S Groth | 4 | 6 | 6 | | | | | | | |
| | J Jung | 7 | 6 | | | J Jung | 6 | 3 | 0 | | | | | | | |
| SE | C Norrie | 5 | 4 | | | | | | | | S Groth | 7 | 7$^8$ | | | |
| Q | C Rungkat | 2 | 3 | | | | | | | | A Santillan | 5 | 6$^6$ | | | |
| | D King | 6 | 6 | | | D King | 3 | 4 | | | | | | | | |
| | A Santillan | 6 | 5 | 6 | | A Santillan | 6 | 6 | | | | | | | | |
| 2 | J Thompson | 4 | 7 | 2 | | | | | | | | | | | | |