Filler ended 2025 in style with another Mosconi Cup victory for Team Europe, having begun the year in sensational fashion by winning the European Open title, the first Matchroom Major of the year. The Killer delivered a commanding performance in the final against Naoyuki Ōi, cruising to a dominant 13–1 victory to claim his first European Open title.

Filler’s impressive trophy cabinet also includes victories at the 2022 UK Open, 2019 US Open, and the 2018 World Pool Championship. A key member of Team Europe in the Mosconi Cup, Filler has won the MVP award at the 2017, 2022, and 2023 events, further solidifying his reputation as one of the game’s greats.