He played in the Davis Cup in 1961 and 1962. He was the trainer of Argentinian players Gabriela Sabatini and Guillermo Coria, of Chilean Fernando González, and of Venezuelan Roberto Maytín, among others. His work with Alexander Zverev ended in a legal dispute.
- Tennis Archives (ed.). "Profile in Tennis Archives".
- "Records in 1961 and 1962".
- Emol.com, ed. (December 24, 2003). "Orange Bowl: Promesa venezolana consigue el título de la mano de Patricio Apey" (in Spanish).
- Alexander Zverev confirms legal dispute with former agent Patricio Apey, Luigi Gatto, tennisworldusa.org, March 22, 2019
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