The Norwegian pair topped their pool after the first day of competition in the men’s main draw and advance to the round of 16.

Mol and Sørum begun the tournament with a straight set win over the Reid Priddy and Jeremy Casebeer of the United States 21-12, 21-21.

The next game was tougher, with the Norwegians coming from a set down to take the win and top pool B.

The Netherlands’ Jasper Bouter and Christiaan Varenhorst won the first set but Mol and Sørum fought back to take the victory 18-21, 21-18, 15-9.

Another pair to top their group was Russia’s Viacheslav Krasilnikov and Oleg Stoyanovskiy, whose two victories on day one saw them advance to the next round.

The Russian team beat Poland’s Maciej Rudol and Jakub Szalankiewicz in three sets, 19-21, 21-7, 15-10, but took the top spot in pool H with a straight set victory over Latvia’s Martins Plavins and Edgars Tocs, 21-14, 23-21.

Two American teams are through to the last 16 as Jake Gibb and Taylor Crabb and Tri Bourne and Trevor Crabb advanced as pool winners.

Poland’s Michal Bryl and Grzegorz Fijalek, The Netherlands’ Alexander Brouwer and Robert Meeuwsen, Brazil’s Pedro Solberg and Bruno Schmidt and Italy’s Daniele Lupo and Paolo Nicolai also finished at the top of their groups to progress.

In the women’s draw 16 teams finished day one unbeaten.

The US had three teams who won their matches; Summer Ross and Sara Hughes, Emily Stockman and Kelley Larsen and Betsi Flint and Emily Day.

The hosts were only beaten by Brazil who’s four teams were unbeaten at the end of the day.

Brazil’s Maria Antonelli and Carolina Solberg Salgado, Ana Patricia Silva Ramos and Rebecca Cavalcanti Barbosa Silva, Maria Clara Salgado Solberg and Elize Maia and Josemari Alves and Liliane Maestrini all made it through their first contests.

Canada has two women’s pairs who look set to qualify as Heather Bansley and Brandie Wilkerson and Sarah Pavan and Melissa Humana-Paredes were unbeaten.

The rest of the unbeaten teams were, The Netherlands’ Joy Stubbe and Marleen Ramond-van Iersel, Switzerland’s Nina Betshcart and Tanja Hüberli, Japan’s Megumi Murakami and Miki Ishii, Russia’s Nadezda Makroguzovaa and Svetlana Kholomina, Italy’s Martha Menegatti and Viktoria Orsi Toth, Latvia’s Anastasija Kravcenoka and Tina Graudina and Finland’s Riikka Lehtonen and Niina Ahtiainen.

The first round of the women’s competition is due to continue tomorrow.