He also has a career high ATP doubles ranking of World number 349, achieved on 31 January 2011.

Santos won his first ITF Pro Circuit singles titles in Brasília in April 2011, beating Eládio Ribeiro Neto in the final in three sets.

[3] He earned his second career singles title in August 2012, beating Thiago Monteiro in the final, 6–2, 6–2, in São José do Rio Preto.

[4] Santos has reached eight career singles finals, with a record of 3 wins and 5 losses all coming on the ITF Futures Circuit.

Additionally, he has reached 34 doubles finals with a record of 12 wins and 22 losses, also all occurring at the ITF Futures level.