Ningbo International Tennis Open
The AUX Ningbo Open is a tennis tournament held in Ningbo, China. It is played on outdoor hardcourts. Since 2024, the event is listed as a WTA 500 tournament.
The women's event was previously part of the WTA 250 and WTA 125K series in 2013 and in 2014. The men's event ended in 2012 but restarted in 2015 till 2019 on the ATP Challenger Tour and was previously called the Ningbo (Yinzhou) International Men's Tennis Challenger.