This allows them to choose ahead of time that you are not inside their relationship pool (and that is fair)
I might share with prospective schedules ahead of time just you was has just separated, heading for divorce or separation, and then leave they at this. For many feminine, this might be a great deal breaker (that is reasonable).
If it is not a great deal breaker therefore continue a date that is first, I would expect you’ll provides a standard, short, one or two-sentence explanation that is not dishonest or disrespectful, however, that does not get into people details — something such as “i had specific rough minutes one to presented united states that we couldn’t move forward to each other, and therefore i must move on as opposed to one another.” (This isn’t a certain script — only things I’m recommending off the best away from my head.) Leave it at this.