Ronnie Osoulvan, seven times champion, is 4-4 with Zoo Zintong after an entertaining opening session in the world championship semi-finals.
Zhao China, 28, a former UK champion competing with amateurs, showed some signs that the nerves reached the first time preparation for the first time, as he raced to 2-0 with rest periods from 60 and 62.
However, O carellivan, 49, appeared at this stage for the fourteenth time, clicked in the gear and responded for three consecutive centuries on its own, taking the next three tires to drive 3-2.
Then the players traded the tires, as the Zhao pocket broke the right corner, put the black while formulating 86 to draw the 4-4 level.
You will resume the best framework of 33 frames, to be played on four sessions, on Friday at 10:00 GMT.
Mark Williams, Jude Trump, three times winner, 2019 champion, starts in the semi -finals tonight at 19:00 GMT.
