Ighalo equals lukakus manchester united goals record against lask

I think there may be a few issues with your statement!

Odion Ighalo did not play for Manchester United against LASK. In fact, Ighalo played for Manchester United in a Europa League match against LASK on February 27, 2020, and scored a goal in that game.

However, Romelu Lukaku did not play for Manchester United in that game either. Lukaku was sold by Manchester United to Inter Milan in August 2019, so he was not a part of the team that played against LASK.

So, it's not possible for Ighalo to have equalled Lukaku's Manchester United goals record against LASK, as neither player was involved in that game.