Zheng Qinwen beat Elina Svitolina 6-3, 7-6, taking the tie-break 8-6, to reach the China Open semi-finals, SGGP reports. The home player completed the quarter-final in one hour and 48 minutes, securing her first straight-sets win of the tournament after four consecutive three-set matches. Svitolina increased the pressure in the second set, but Zheng converted her second match point. It is Zheng’s second career appearance in the Beijing tournament’s semi-finals.