# 2017 Ningbo Challenger – Singles

Lu Yen-hsun was the defending champion but retired in the semifinals facing Taro Daniel.
Mikhail Youzhny won the title after defeating Daniel 6–1, 6–1 in the final.

## Seeds

* Lu Yen-hsun (semifinals, retired)
* Jordan Thompson (quarterfinals)
* Taylor Fritz (first round)
* Radu Albot (first round)
* Nicolás Jarry (first round)
* Taro Daniel (final)
* Mikhail Youzhny (champion)
* Peter Polansky (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 | Final | Final | Final | Final |
| 1 | Lu Yen-hsun | 2$^r$ | | | | | |
| 6 | Taro Daniel | 5 | | | | | |
| 6 | Taro Daniel | 5 | | 6 | Taro Daniel | 1 | 1 |
| | | | | 7 | Mikhail Youzhny | 6 | 6 |
| 7 | Mikhail Youzhny | 6 | 6 | 7 | Mikhail Youzhny | 6 | 6 |
| Q | Jurij Rodionov | 3 | 4 | | | | |

### 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 |
| 1 | Y-h Lu | 6 | 4 | 6 | | | | | | | | | | | | | |
| | G Soeda | 3 | 6 | 4 | 1 | Y-h Lu | 6 | 6 | | | | | | | | | |
| WC | R Te | 3 | 5 | | | T Ito | 2 | 3 | | | | | | | | | |
| | T Ito | 6 | 7 | | | | | | | 1 | Y-h Lu | 6 | 6 | | | | |
| | T Monteiro | 4 | 7$^7$ | 6 | | | | | | 8 | P Polansky | 2 | 3 | | | | |
| | Ze Zhang | 6 | 6$^4$ | 4 | | T Monteiro | 6 | 6$^8$ | 4 | | | | | | | | |
| WC | F Sun | 2 | 6$^3$ | | 8 | P Polansky | 3 | 7$^{10}$ | 6 | | | | | | | | |
| 8 | P Polansky | 6 | 7$^7$ | | | | | | | | | | | | 1 | Y-h Lu | 2$^r$ |
| 4 | R Albot | 4 | 3 | | | | | | | | | | | | 6 | T Daniel | 5 |
| | D Wu | 6 | 6 | | | D Wu | 3 | 3 | | | | | | | | | |
| | M Kecmanović | 6 | 2 | 6$^5$ | Q | Yo Watanuki | 6 | 6 | | | | | | | | | |
| Q | Yo Watanuki | 4 | 6 | 7$^7$ | | | | | | Q | Yo Watanuki | 3 | 7$^7$ | 3 | | | |
| Q | M Matosevic | 6 | 6 | | | | | | | 6 | T Daniel | 6 | 6$^2$ | 6 | | | |
| | S Nagal | 2 | 4 | | Q | M Matosevic | 4 | 4 | | | | | | | | | |
| WC | X Gao | 2 | 4 | | 6 | T Daniel | 6 | 6 | | | | | | | | | |
| 6 | T Daniel | 6 | 6 | | | | | | | | | | | | | | |

### 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 |
| 7 | M Youzhny | 6 | 7 | | | | | | | | | | | | | | |
| | Y Takahashi | 2 | 5 | | 7 | M Youzhny | 6 | 6 | | | | | | | | | |
| | C Hemery | 3 | 2 | | | H Moriya | 3 | 4 | | | | | | | | | |
| | H Moriya | 6 | 6 | | | | | | 7 | M Youzhny | 6 | 6 | | | | | |
| | Z Li | 7$^8$ | 6 | | | | | | | Z Li | 3 | 1 | | | | | |
| | J Jung | 6$^6$ | 2 | | | Z Li | 6 | 6 | | | | | | | | | |
| | D-h Lee | 6 | 3 | 6 | | D-h Lee | 2 | 4 | | | | | | | | | |
| 3 | T Fritz | 3 | 6 | 3 | | | | | | | | | | 7 | M Youzhny | 6 | 6 |
| 5 | N Jarry | 6$^5$ | 3 | | | | | | | | | | | Q | J Rodionov | 3 | 4 |
| Q | Y-s Chung | 7$^7$ | 6 | | Q | Y-s Chung | | | | | | | | | | | |
| Q | J Rodionov | 6 | 6 | | Q | J Rodionov | w/o | | | | | | | | | | |
| WC | Y Wu | 4 | 3 | | | | | | Q | J Rodionov | 3 | 7$^7$ | 6 | | | | |
| | A Menéndez Maceiras | 3 | 6 | 6 | | | | | 2 | J Thompson | 6 | 6$^5$ | 4 | | | | |
| | S Doumbia | 6 | 2 | 1 | | A Menéndez Maceiras | 3 | 4 | | | | | | | | | |
| | J Statham | 4 | 2 | | 2 | J Thompson | 6 | 6 | | | | | | | | | |
| 2 | J Thompson | 6 | 6 | | | | | | | | | | | | | | |