Last year's runner up Agnieszka Radwanska, the highest ranked player left in the women's draw, moved closer to reaching successive Wimbledon finals after outlasting China's Li Na 7-6(5) 4-6 6-2 in an epic last eight duel on Tuesday.
The Polish fourth seed, seeking her first grand slam title after losing in three sets to Serena Williams last year, set up a semi-final showdown with German Sabine Lisicki having staved off a Li fightback, the distraction of two rain interruptions and then squandering seven match points.
Former French Open champion Li wasted chances to take the opening set and then after a short rain break, the sixth seed hit back to take the second from 4-2 down as her aggressive strokes to the corners of the court began to penetrate.
But Radwanska, who had her right thigh heavily strapped up before the start of the decider, regrouped under the now-closed roof following a second rain delay.
Meanwhile, Sabine Lisicki lived up to her status as the new Wimbledon favourite with a clinical 6-3 6-3 demolition of Kaia Kanepi in the quarter-finals on Tuesday.
The conquerors of Roger Federer, Rafa Nadal and Maria Sharapova all failed to back up their shock wins but Lisicki followed her stunning victory over defending champion Serena Williams with another impressive display.
The smiling German broke Estonian Kanepi's serve in the opening game of the match and produced a barrage of fizzing groundstrokes and subtle drop shots to reach her second Wimbledon semi-final in just 65 minutes.
"There was for me no pressure at all after yesterday's win," Lisicki told a news conference.
"I needed to make the switch quickly and focus on today's match and that's what I did. I think I did a good job today."
Lisicki made a fast start under grey skies on Court One and she broke the world number 46 in the opening game.
Bustling energetically around the court and whipping forehands crosscourt and down the line, Lisicki also tormented the ponderous Kanepi with delicate drop shots which the lanky Estonian struggled to retrieve.
Kanepi, who knocked out Briton Laura Robson in the fourth round, took advantage of three Lisicki double faults to break serve for a 2-1 lead in the second set but she looked uncomfortable whenever she was forced to leave the baseline.