Full name is Marcos Diniz Daniel...Began playing at age five and took sport seriously at age 12...Father, Mario, is a retired bank manager; mother, Mauriceia, is a retired bank clerk...Has one older brother, Marcio, who owns a tennis academy and serves as his coach...Has one younger sister, Luciana, who is an attorney...His cousin, Carlos Eugenio Simon is considered best soccer referee in Brazil...Speaks four languages (Portuguese, English, Spanish and Italian)... One of his favorite hobbies is motorcycle racing and also enjoys soccer...Considers himself a Christian faithful in Jesus Christ who he considers his idol...Also involved with his church at home and helps with charity events...Favorite surface is red clay and considers best shot his backhand... Wife, Gizele; son, Davi; daughter, Maria Fernanda Daniel...Physical trainer is Marcelo Borges and Larri Passos and Marcus Vinicius Barbosa.