2017 Shanghai Challenger – Singles
# 2017 Shanghai Challenger – Singles

Henri Laaksonen was the defending champion but chose not to defend his title.

Wu Yibing won the title after Lu Yen-hsun retired in the final after losing the first set $6–7^{(6–8)}.$

## Seeds

* Lu Yen-hsun (final)
* Peter Polansky (first round)
* Lee Duck-hee (second round)
* Tatsuma Ito (second round)
* Hiroki Moriya (quarterfinals)
* Mohamed Safwat (quarterfinals)
* Wu Di (second round)
* Marc Polmans (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 |
| - | - | - | - | - | - | - | - |
| 1 | Lu Yen-hsun | 6 | 6 | | | | |
| | Zhang Ze | 1 | 2 | | | | |
| | Zhang Ze | 1 | 2 | 1 | Lu Yen-hsun | $6^6$ | $0^r$ |
| | | | | WC | Wu Yibing | $7^8$ | 0 |
| | Matthias Bachinger | 5 | 5 | WC | Wu Yibing | $7^8$ | 0 |
| WC | Wu Yibing | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | Y-h Lu | 6 | 6 | | | | | | | | | | | | | | |
| | Kim Cheong-eui | 2 | 1 | | 1 | Y-h Lu | 6 | 6 | | | | | | | | | |
| WC | C Wang | 4 | 3 | | | L Saville | 4 | 4 | | | | | | | | | |
| | L Saville | 6 | 6 | | | | | | | 1 | Y-h Lu | 6 | 7 | | | | |
| Q | Xia Zihao | 2 | $7^8$ | 6 | | | | | | 6 | M Safwat | 2 | 5 | | | | |
| | T Niki | 6 | $6^6$ | 1 | Q | Z Xia | 4 | $6^3$ | | | | | | | | | |
| | J Statham | 2 | 4 | | 6 | M Safwat | 6 | $7^7$ | | | | | | | | | |
| 6 | M Safwat | 6 | 6 | | | | | | | | | | | 1 | Y-h Lu | 6 | 6 |
| 3 | D-h Lee | 6 | 6 | | | | | | | | | | | | Ze Zhang | 1 | 2 |
| | S Diez | 3 | 3 | | 3 | D-h Lee | 3 | $6^4$ | | | | | | | | | |
| | Z Li | 4 | 7 | 1 | | Ze Zhang | 6 | $7^7$ | | | | | | | | | |
| | Ze Zhang | 6 | 5 | 6 | | | | | | | Ze Zhang | 6 | 6 | | | | |
| WC | F Sun | 3 | 1 | | | | | | | | D Kelly | 3 | 2 | | | | |
| | D Kelly | 6 | 6 | | | D Kelly | $7^7$ | 4 | 6 | | | | | | | | |
| | M Giron | $6^6$ | 4 | | 7 | D Wu | $6^4$ | 6 | 2 | | | | | | | | |
| 7 | D Wu | $7^8$ | 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 |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 8 | M Polmans | 5 | 0 | | | | | | | | | | | | | | |
| | A Bega | 7 | 6 | | | A Bega | 3 | 2 | | | | | | | | | |
| Q | B Mousley | $6^5$ | 5 | | | M Bachinger | 6 | 6 | | | | | | | | | |
| | M Bachinger | $7^7$ | 7 | | | | | | | | M Bachinger | 6 | 6 | | | | |
| WC | Zh Zhang | 5 | 2 | | | | | | | | O Jasika | 1 | 1 | | | | |
| | O Jasika | 7 | 6 | | | O Jasika | 4 | 6 | 7 | | | | | | | | |
| PR | B Klahn | 6 | 2 | $6^5$ | 4 | T Ito | 6 | 3 | 5 | | | | | | | | |
| 4 | T Ito | 3 | 6 | $7^7$ | | | | | | | | | | | M Bachinger | 5 | 5 |
| 5 | H Moriya | 6 | 6 | | | | | | | | | | | WC | Y Wu | 7 | 7 |
| | Y Takahashi | 4 | 3 | | 5 | H Moriya | $6^2$ | 6 | 6 | | | | | | | | |
| Q | Yuya Kibi | 6 | 6 | | Q | Y Kibi | $7^7$ | 2 | 3 | | | | | | | | |
| Q | K Takeuchi | 4 | 4 | | | | | | | 5 | H Moriya | $6^5$ | 4 | | | | |
| | A Kudryavtsev | 6 | 4 | 2 | | | | | | WC | Y Wu | $7^7$ | 6 | | | | |
| | Shuichi Sekiguchi | 4 | 6 | 6 | | S Sekiguchi | $0^r$ | | | | | | | | | | |
| WC | Y Wu | 6 | $7^7$ | | WC | Y Wu | 5 | | | | | | | | | | |
| 2 | P Polansky | 3 | $6^3$ | | | | | | | | | | | | | | |
