To expose copper requires adding an aperture in the solder mask layer.
**To expose copper in any area:**
Draw and place a Solid Region or Rectangle;
Select it;
In right hand panel, select the Top or Bottom Solder Mask layer.
**To expose copper on a track segment:**
Left click to select track;
Left click again to select track segment;
Click on Expose Copper in the right hand panel.
**To expose copper on a track segment:**
Left click to select track;
Left click again to select track segment;
Click on Expose Copper in the right hand panel.
As far as I can tell this is missing from easyeda Pro
@light24bulbs Hello, if you are using the standard version you can check this tutorial:[EasyEDA Std PCB FAQ \| EasyEDA Std User Guide](https://docs.easyeda.com/en/FAQ/PCB/#how-to-expose-copper-to-wire)
Our website uses essential cookies to help us ensure that it is working as expected, and uses optional analytics cookies to offer you a better browsing experience. To find out more, read our Cookie Notice
Brand new interactions and interfaces. 
Easy to use and quick to get started. 