Huybrechts didn't drop a set in reaching the third round of the 2017 World Championship, but fell 3–0 down to Phil Taylor. He punished missed match darts from Taylor to take two sets, but would be defeated 4–2. Huybrechts averaged 110 during a 10–1 thrashing of Ted Evetts in the fourth round of the UK Open and progressed to his first quarter-final in the event with a 10–9 win after Joe Cullen missed one match dart. Huybrechts himself then missed two match darts as Alan Norris knocked him out 10–9. He lost 6–3 in the final of the seventh Players Championship to Daryl Gurney. In the second round of the World Cup, Ronny averaged 115.62, the highest ever by a Belgian player in a televised match, as Belgium saw off Greece. A day later Kim averaged 121.97, the second highest televised average of all-time and the brothers would reach their third semi-final in a row, but were unable to win either of their singles matches against the Welsh team of Gerwyn Price and Mark Webster.