Kim Astrup and Anders Skaarup Rasmussen won on the opening day of the Spain Masters ©Getty Images

Number one seeds Kim Astrup and Anders Skaarup Rasmussen of Denmark progressed to the last 16 with a dominant win in the men's doubles on the opening day of the Badminton World Federation (BWF) 2021 Spain Masters at the Palacio de Deportes Carolina Marín in Huelva.

The reigning champions eased through in the opening game 21-7, 21-9 over Spain's Jose Molares and Jaume Perez.

Fifth seeds Pramudya Kusumawardana and Yeremia Erich Yoche Yacob Rambitan of Indonesia took three games to defeat Denmark's Emil Lauritzen and Mads Vestergaard 19-21, 21-13, 21-14.

Brothers and fourth seeds Christo and Toma Junior Popov of France advanced in two tiebreaker games, winning 22-20, 23-21 against Yee Jun Chang and Chia Weijie of Malaysia.

Second seeds Leo Rolly Carnando and Daniel Marthin of Indonesia won 21-12, 21-9 against Germany's Marvin Datko and Patrick Scheiel, and Dutch eighth seeds Ruben Jille and Ties van der Lecq are through too following a 21-7, 21-14 win over Spain's Alejandro Alcala and Alvaro Vazquez.

France's Lucas Corvee and Ronan Labar of France won 21-15, 21-18 against Scottish twins Christopher and Matthew Grimley, while Ernesto Baschwitz and Alvaro Leal advanced in an all-Spanish tie with Adrian Alvarez and Pablo Murciano, winning 21-13, 21-19.

France's Fabien Delrue and William Villeger are through too following a 22-20, 21-17 win over Norway's Torjus Flaatten and Vegard Rikheim, as are Indonesia's Sabar Karyaman Gutama and Moh Reza Pahlevi Isfahani who won 21-13, 21-17 over Germany's Daniel Hess and Johannes Pistorius.

England's Callum Hemming and Steven Stallwood defeated compatriots Rory Easton and Zach Russ 21-19, 21-13 and finally, third seeds Bagas Mualana and Muhammad Shohibul Fikri of Indonesia won 21-12, 21-12 against Ireland's Joshua Magee and Paul Reynolds.

In the women's doubles, Clara Azurmendi and Beatriz Corrales progressed from the round of 32 against Spanish compatriots Nerea Ivorra and Claudia Leal, winning 21-19, 21-9.

Annabella Jäger and Stine Küspert of Germany are through too after a 23-21, 21-11 win over Ireland's Kate Frost and Moya Ryan, while France's Laeticia Jaffrennou and Tea Margueritte won 21-13, 21-15 against Ainoa Cuervas and Spain's Elena Lorenzo.

Dutch duo Alyssa Tirtosentono and Imke van der Aar won 21-15, 13-21, 21-19 against Malaysia's Yap Rui Chen and Yap Yee, while Sweden's Johanna Magnusson and Clara Nistad progressed too with a dominant 21-9, 21-12 win over France's Flavie Vallet and Emilie Vercelot.

In an all-Indonesian tie, Yulfira Barkah and Febby Valencia Dwijayanti Gani won 21-13, 21-18 against Febriana Dwipuji Kusuma and Amalia Cahaya Pratiwi.

Meanwhile, two Russian players, who were due to be involved in the women's doubles competition, have been withdrawn after one tested positive for coronavirus.

The player in question has been put into self-isolation, while her playing partner and coach have gone into quarantine.

The BWF says it is unable to name the players withdrawn because of privacy reasons, but added their opponents have been given a walkover into the next round.