Fu then suffered defeats in the first round of the 2013 UK Championship and German Masters to Mitchell Travis and Paul Davison respectively. However, he reached the quarter-finals of the Welsh Open where Barry Hawkins whitewashed him 5–0. Fu beat world number one Neil Robertson in the last 16 of the World Open 5–4 on a and eliminated Mark Joyce 5–3. In the semi-finals he won three successive frames from 5–1 down against Mark Selby but lost the next frame to be beaten 6–4. Another semi-final followed at the PTC Finals with a 4–1 victory against John Higgins in the quarters, however, he suffered a surprise 4–2 defeat against Gerard Greene. Fu lost 13–8 to Shaun Murphy in the second round of the World Championship.