2018 International Challenger Zhangjiagang
 |
| 2018 International Challenger Zhangjiagang | |
|---|---|
| Date | 3 – 9 September |
| Edition | 2nd |
| Surface | Hard |
| Location | Zhangjiagang, China |
| Champions | |
| Singles | |
 Yasutaka Uchiyama | |
| Doubles | |
 Gong Maoxin / Zhang Ze | |
The 2018 International Challenger Zhangjiagang was a professional tennis tournament played on hard courts. It was the second edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Zhangjiagang, China between 3 and 9 September 2018.
Singles main draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 TPE
|
Jason Jung | 115 | 1 |
| JPN
|
Tatsuma Ito | 163 | 2 |
| CHN
|
Zhang Ze | 168 | 3 |
| JPN
|
Go Soeda | 176 | 4 |
 CAN
|
Filip Peliwo | 185 | 5 |
 SRB
|
Miomir Kecmanović | 196 | 6 |
| JPN
|
Hiroki Moriya | 197 | 7 |
 KAZ
|
Alexander Bublik | 203 | 8 |
- 1 Rankings are as of 27 August 2018.
Other Entrants
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Frederico Ferreira Silva
Dayne Kelly
Tristan Lamasine
Yuta Shimizu
The following player received entry as a lucky loser:
Champions
Singles
- Yasutaka Uchiyama def.
Jason Jung 6–2, 6–2.
Doubles
Gong Maoxin / Zhang Ze def. Bradley Mousley / Akira Santillan walkover.