The 2013 ATP Challenger Tour Finals is a tennis tournament played at the Sociedade Harmonia de Tênis in São Paulo, Brazil, between 13 and 17 November 2013.

[1] Alejandro González, Jesse Huta Galung, Filippo Volandri, and Teymuraz Gabashvili qualified directly in the event.

Dudi Sela, Jiří Veselý, Pablo Carreño Busta, and Mikhail Kukushkin chose not to compete that gave spots to Aleksandr Nedovyesov, Adrian Ungur, and Andrej Martin.

He also reached the final of the Morocco Tennis Tour – Kenitra retiring a game away from losing to Dominic Thiem.

He also earned a top 30 win in a dead rubber at the Davis Cup World Group play-offs against Austria defeating Jürgen Melzer in three sets.

In the five finals he reached, he won three, his first coming in the Challenger ATP de Salinas Diario Expreso defeating Renzo Olivo in a third set tie-break.

He followed it up with wins against another two Argentinian in Guido Andreozzi and Eduardo Schwank in straight sets at the Seguros Bolívar Open Medellín and São Paulo Challenger de Tênis respectively.

He then lost the other two finals at the Visit Panama Cup barely losing to Rubén Ramírez Hidalgo in a third set tie-break and at the Aberto Rio Preto to João Souza.

Adrian Ungur The defending ATP Challenger Tour Finals runner-up is back in São Paulo.

He also reached two other finals, losing to Mannarino at the Internationaux de Nouvelle-Calédonie and to Filippo Volandri at the Aspria Tennis Cup.

He won his second title at the Challenger level Tetra Pak Tennis Cup defeating Facundo Bagnis in the final, and did not drop a set all tournament.