Mr Obi, in his appeal, maintained that the PEPC erred in law and thereby reached a wrong conclusion.
The five-member panel presided over by Justice Haruna Tsammani reserved judgment to a date that will be communicated to parties after parties adopted their final written addresses.
The Senate majority leader responded to a new report by the European Union election observers, who found widespread violence during the February 25, 2023, exercise.
The court accepted and adjourned until June 22.
The documents in question include the state collation sheets of the 36 states and Federal Capital Territory (FCT).
The tribunal then cautioned counsels to LP and INEC to cooperate more instead of lamenting and wasting the time of the court.
Peter Obi and the Labour Party clashed on Wednesday with the Independent National Electoral Commission over INEC’s refusal to obey a court order to furnish them with more documents for their case
How Nigeria’s Supreme Court decides ongoing petitions over the controversial 2023 presidential election will matter.
