Hello @Patty-and-Rudy0,
I think it might be doable if you create two rules.
The 10th of May is a Thursday so you could create 1 rule disallowing checkin on Thursdays, Fridays, Saturdays, Sundays and Mondays and apply this to the dates 10th to 14th of May.
Then create another rule disallowing checkins on Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays and Sundays and apply thiat rule to the dates 15th to 20th.
You have to create two rules as it's not possible to create a rule disallowing checkins on all days of the week.
I tested it on my listing for January 2019 as I'm booked in May and all dates in January 2019 fall on the same days of the week as in May 2018. It worked to disallow checkins but allow checkouts on the 10th to the 20th.
Steve.