Thiago Monteiro

Thiago Monteiro is a Brazilian tennis player born on 31 May 1994. He competes on the ATP Tour and currently holds a ranking of 235 in ATP singles with 244 points. His career-high ranking is 61. In the 2026 season, according to Tennis Post's match data, Monteiro has played four tournaments with a record of four wins and four losses. His appearances include the Rio Open, an ATP 500 event where he reached the round of 32, and ATP 250 tournaments in Gstaad, Buenos Aires and Santiago, where he competed in qualifying rounds.