In Advance reconciliation, if rule 5 i.e. across section reconciliation for B2BA and CDNA section is applied then original supplier invoices for which amended invoices or notes are availble then such original invoice or note will not get consider for reconciliation.
Hence such not considered original supplier only invoices list you will found here in this tab i.e. "Original Supplier Only Amended".
Also in Post action Summary, you will separately get details of total original supplier only invoices not considered in ITC calculation.