Career
Lyu first broke onto the professional snooker scene as a wildcard in the 2012 Haikou World Open, losing 4–5 to Tom Ford in the wildcard round. In his next tournament, the 2012 China Open, he lost again in the wildcard round 2–5 to Peter Ebdon. 2012/2013 season
He then narrowly lost 3–4 to Tom Ford in the last 64.
He then lost 2–5 to Mark Allen in the first round.
In February 2013, he reached the first round of the 2013 World Open beating professional player Simon Bedford 5–2 in the wildcard round before losing 0–5 to Mark Selby. Lyu also reached the first round of the 2013 China Open courtesy of the withdrawal of Mark Joyce in the wildcard round.
He lost 2–5 to Mark Williams. Professional debut
He was then whitewashed 5–0 by Ali Carter in the subsequent round.
He also qualified for the Indian Open, but lost 4–1 to Thanawat Thirapongpaiboonin the first round.
In October, Lyu reached the first final of his career at the minor-ranking Zhengzhou Open in his homeland. Lyu was narrowly beaten 6–5 by Marcus Campbell in the first round of the United Kingdom Championship despite leading 3–1 at the interval. His final in Asia saw him qualify for the Players Tour Championship Finals for the first time and he lost 4–1 to Mark Williams in the opening round.
Lyu ended his debut season on the main tour ranked world number 93.
2014/2015 season
At the United Kingdom Championship, Lyu defeated Cao Yupeng 6–4 before losing 6–1 to Marco Fu in the second round.