After losing the first four games, Konta turned the match on its head to quieten the crowd and run out a 6-4, 6-0 winner. The result sets up a semifinal showdown with fellow bnp Paribas wta finals Singapore contender Madison keys and also within touching distance of reaching the Top 10.
"Even though it was 12 games in a row, the scoreline was a lot closer," Konta said. "Every single point was a really high level. I had to fight a lot at the end and I'm really happy to get through."
In the previous round, Zhang upset pinna Simona halep for the loss of only three games. Against Konta she picked up from where she left off, delighting the crowd as a run of 13 straight points helped build an early lead