[3][4] In February 2016, Page entered the 2016 EBSA European Under-18 Snooker Championship as the number 13 seed and advanced to the final where he was defeated 2–5 by fellow countryman Tyler Rees.
[5][6] Later that year, Page competed in the 2016 IBSF World Under-18 Snooker Championship where he again advanced to the final and defeated the number 1 seed Yun Fung Tam 5–4.
[11] His best results from his first two seasons on the tour were reaching the last 16 of the September 2020 European Masters, where he was whitewashed 0–5 by Trump, and the last 32 of the 2020 Scottish Open, where he lost 1–4 to his mentor and practice partner Mark Williams.
[13] In the 2022 World Snooker Championship qualifying rounds, Page won four matches, defeating opponents including Joe Perry and David Grace, to reach the main stage of the tournament.
He made his Crucible debut against former world finalist Barry Hawkins and won his first-round match 10–7, making back-to-back total clearances of 128 and 135 in the final two frames.