Photo: Stuart BarracloughRamon Guedez and Jorge Penalver (VEN) at Pan American Championships
Ramon Guedez and Jorge Penalver from Venezuela brought the biggest upset of the day as they defeated Brazilians Diogo Carneiro and Rodrigo Ponte in a thrilling three set match.
The Brazilians got off to a strong start and claimed a close first set 64 before the Venezuelans hit back in the second set to level the match at 46 64. Going an early break down in the third set, Brazil were unable to overcome their opponents huge serving performance and finally the visitors closed out the match 46 64 62.
Despite continuing their success against the top ranked Brazilian team later in the day, a valuable point for the Venezuelan team will add pressure to their final group match tomorrow as they play a Chilean team for the chance to progress into the semifinals.
The top ranked Brazilian men won both their group matches to guarantee a place in the quarter finals while the Chilean men lost both their opening matches but the second place position could still be won by any of the remaining three teams.
In group two, Brazil continued to dominate with the second seeds Marcus Ferreira and Thales Santos defeating teams from Aruba and Venezuela to confirm their qualification from the group.
The Venezuelan and Aruban teams however both finished the day with one win at the expense of Chile who will need to overcome the Brazilian team to have a chance of qualifying from the group tomorrow.
Over in the ladies event world number ones Joana Cortez and Samantha Barijan were on top form as they overcame the very real threat from the Venezuelans Patricia Diaz and Andrea Pereira in style 62 62. They continued their winning streak in their second match against Chile 63 62.
The Venezuelan ladies had a tough day in the office playing the top two Brazilian teams and managing only a 64 64 defeat against the second team.
Chileans Maria Paz Orellana Rivera and Maria Jose Valdes also faced Brazilians in both their matches and were on the wrong side of 63 62 and 62 61 scorelines.
The mixed event also got underway today in the group stages with Brazil continuing to dominate. Both semifinals to be played tomorrow will feature a Brazilian team against a Venezuelan.
You can keep up with all the action from tomorrow's matches by watching them live here.