Collins Valentine Filimon

Filimon joined the Romanian national team in 2012. He won the boys' singles title at the Cyprus Junior International in 2014 and 2015. He also won a silver medal in mixed doubles at the 2015 U19 Balkan Badminton Championships with Catalina Simionescu. In 2016, Filimon reached the semi-finals of the Balkan Badminton Championships but had to settle for bronze after losing 16–21, 18–21 to Ivan Rusev of Bulgaria.^[6]

In 2019, Filimon represented Romania in the 2019 European Games men's singles event. He did not advance further after losing to Vladimir Malkov and Azmy Qowimuramadhoni in the group stage but won a match against Robert Mann of Luxembourg.^[7]

In September 2021, Filimon became a naturalized Austrian citizen and began playing for Austria in international tournaments. In 2022, he won his first international title at the Slovenia International after defeating Lin Kuan-ting of Chinese Taipei 21–17, 23–25, 21–12.^[8] In April 2024, he won his second title at the Malta International when he defeated Wolfgang Gnedt in an all Austrian encounter.^[9]

Filimon made his debut in men's singles at the 2024 Summer Olympics. In Group E, he faced fourth seed Anders Antonsen of Denmark and Ade Resky Dwicahyo of Azerbaijan.^[10] He lost his opening match to Antonsen 10–21, 18–21.^[11] He then lost his second match to Ade Resky Dwicahyo 18–21, 11–21 and was eliminated in the group stages.^[12]