There is specific criteria that is necessary to see your Open Donations appear when you click to configure open donations in Batch.

Here is the list of criteria for donations to appear in the Open Donations List for Batch:

Single Donation Criteria
Contact__c = the donor Id
IsClosed = false

Pledge Criteria
Contact__c = the donor's Id
Convio_Id__c is blank
Pledge_Status__c = 'Active'

Recurring Gift
Contact__c = the donor's Id
Recurring_Gift_Status__c = 'Active'