Jo-Wilfried Tsonga stunned by world number 338 Thiago Monteiro in Rio

Jo-Wilfried Tsonga suffered a shock defeat in the Rio Open as he lost in three sets to world number 338 Thiago Monteiro.

Tsonga, third seed and ranked ninth in the world, was beaten 6-3 3-6 6-4 by the Brazilian, who was playing his first ever ATP World Tour singles match.