The 2018 Shanghai Challenger was a professional tennis tournament played on hard courts. It was the eighth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Shanghai, China between 10 and 16 September 2018.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Jason Jung | 115 | 1 | ||
 Spain | ||||
 Japan | Tatsuma Ito | 163 | 3 | |
 China | Zhang Ze | 168 | 4 | |
| Japan | Go Soeda | 176 | 5 | |
 Canada | Filip Peliwo | 185 | 6 | |
 Serbia | Miomir Kecmanović | 196 | 7 | |
| Japan | Hiroki Moriya | 197 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
See main article: 2018 Shanghai Challenger – Singles.
Hiroki Moriya 6–1, 7–6(7–1).See main article: 2018 Shanghai Challenger – Doubles.
Gong Maoxin / Zhang Ze def. Hua Runhao / Zhang Zhizhen 6–4, 3–6, [10–4].
