The 2023 Shanghai Challenger was a professional tennis tournament played on hard courts. It was the 10th edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Shanghai, China between 4 and 10 September 2023.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Australia | Christopher O'Connell | 68 | 1 | |
 Japan | Yosuke Watanuki | 98 | 2 | |
| Australia | Marc Polmans | 174 | 3 | |
 China | Shang Juncheng | 178 | 4 | |
| Wu Tung-lin | 188 | 5 | ||
| China | Bu Yunchaokete | 214 | 6 | |
 France | Térence Atmane | 218 | 7 | |
| Japan | Rio Noguchi | 251 | 8 |
The following players received wildcards into the singles main draw:
Liu Hanyi Sun Fajing Te RigeleThe following player received entry into the singles main draw as a special exempt:
The following player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
Alafia Ayeni Bai Yan Nick Chappell
Arjun Kadhe Mu TaoThe following player received entry as a lucky loser:
See main article: 2023 Shanghai Challenger – Singles.
Christopher O'Connell def. Yosuke Watanuki 6–3, 7–5.See main article: 2023 Shanghai Challenger – Doubles.
Alex Bolt / Luke Saville def. Bu Yunchaokete / Te Rigele 4–6, 6–3, [11–9].