The 2018 Almaty Challenger 2 was a professional tennis tournament played on hard courts.

It was the third edition of the tournament which was part of the 2018 ATP Challenger Tour.

It took place in Almaty, Kazakhstan between 1 and 6 October 2018.

The following players received entry into the singles main draw as wildcards: The following players received entry from the qualifying draw: The following players received entry as lucky losers: