How do you select a chapter in a MKV video file?

How do you select a chapter in a MKV video file? Say I want to view chapter 9. Where do I select it on the player? (using Zoom Player)
Easy enough to do with a DVD.
Answer #1
For me Haali media splitter icon appears in the tray, I right click on it and it shows me the chapters.
Answer #2
I guess it would only work if the .mkv file has been made with chapters..
Answer #3
there is a next chapter” hot key in zoom
Shift+] —– Media: Next Chapter
try that with the MKV running
go to “interface/KB/shortcuts” in zooms options and search “chapter” for more keys