<prompt> Bhala ukuqhubeka kwalesi sigaba - ULyu naye wafinyelela emzuliswaneni wokuqala we-China Open ka-2013  <response>: ngenxa yokuhoxa kukaMark Joyce emzuliswaneni we-wildcard. Waphuthelwa uMarc Williams izikhathi ezimbili. NgoJulayi, uLyu wanqoba i-IBSF World Under-21 Snooker Championship ukuthola ikhadi leminyaka emibili le- a href2013E280931420snooker20season201314a kanye ne- a href2014E280931520snooker20season201415 izinkathi. 