Career
Filler started to play billiards at the age of seven, competing at a national level by 2007 (age 10).[3][4] In 2017, Filler made his debut at the Mosconi Cup, representing Europe. He became the youngest player to do so in history, at 20 years of age.[5][6] The following year, he won the China Open 9-ball tournament,[7][8] and the ten-ball European Pool Championships.[9]
Later, in 2018, Filler won his first world championship. Filler defeated the defending champion Carlo Biado in the final of the 2018 WPA World Nine-ball Championship to win the event.[10][11][12] Filler had also won a bronze medal at the European Pool Championships earlier that season.[13][14][15]
In 2019, Filler overcame Wu Jia-qing of China with a 13–10 final victory to win the 2019 U.S. Open 9-Ball Championship.[16]
In 2021, Filler alongside his partner Christoph Reintjes captured the World Cup of Pool after taking down Great Britain's tandem of Darren Appleton and Karl Boyes, 11–7, to win the title.[17]
In 2022, Filler claimed the Inaugural UK Open Pool Championship beating Francisco Sanchez Ruiz in the final 13-7 held at the Copper Box Arena, London.[18] Also in 2022, Filler won the World Pool Masters defeating Lo Ho Sum, 9–6, in the final at the Europa Point Sports Complex, Gibraltar.[19]
In 2023, Joshua Filler, Pia Filler, and Moritz Neuhausen won the WPA World Teams Championship by defeating Team Chinese Taipei in a sudden shootout.[20]
In 2024, he won his second world championship after winning the WPA World Eight-ball Championship, beating Hsu Jui-an of Chinese Taipei. Later on that year, Filler won his 3rd title at the China Nine-ball Open after defeating Japanese Hayato Hijikata 11–6 in the final.
Filler is one of many players negatively impacted by the Professional pool governance dispute (2022–2025).[21]