Wimbledon 2013 Results: Best Matches from Day 8's Slate

Kirsten Flipkens, the 20th seed, upset eighth-seeded Petra Kvitova, and fourth-seeded Agnieszka Radwanska outlasted No. 6 Li Na in a thrilling three-set match to highlight the Day 8 action at Wimbledon.

Not to be outdone, Mother Nature made an appearance with a lengthy rain delay, as the women of Wimbledon battled in quarterfinal action.

Check out the full results from the day, and a breakdown of the day's action. 

Day 8 Scores

Ladies' Singles Quarterfinals	Score
Agnieszka Radwanska (4) defeats Li Na (6)	7-6 (7-5), 4-6, 6-2
Kirsten Flipkens (20) defeats Petra Kvitova (8)	4-6, 6-3, 6-4
Marion Bartoli (15) defeats Sloane Stephens (17)	6-4, 7-5
Sabine Lisicki (23) defeats Kaia Kanepi	6-3, 6-3

*Day 8 scores courtesy of Wimbledon.com. Click here to view complete results.

The Last American Falls

Sloane Stephens was America's last hope to bring back a 2013 Wimbledon title, but she fell to 2007 finalist Marion Bartoli in straight sets.

Wimbledon passed along the results:

Stephens played well, but she appeared disrupted by the rain delay. The break in action occurred as Stephens was preparing to serve, while trailing 5-4 in the first set, with the game at deuce.

Stephens could have made this match more interesting had she been able to serve after the rain delay. She lost the game to drop the first set 6-4 and then, in the second set, she won just five of 26 service points.

However, Bartoli, who campaigned for the stoppage of play, appeared to lose her serving rhythm as well as the two traded breaks.

Bartoli, other than her serve, looked strong. Her two-fisted back and forehand are on point, and she will be a real threat to take the title in this wild tournament. 

Sabine Lisicki Continues to Impress

Sabine Lisicki wasn't going to be able to follow up with the same emotional high she did the day before by ousting No. 1 Serena Williams.

However, did match her same level of play, which is an accomplishment in itself.  

Lisicki made quick work of her unseeded challenger, Kaia Kanepi. It took her just over an hour, and she outclassed her opponent in every way. It began with her serve. She was accurate and efficient, winning 79 percent of her first-serve points.

Her strong play is really no surprise. She reached the semis here in 2011 as a wild card. She is drawing on that now, as the Wimbledon twitter feed explains:

Lisicki now stands just one match, against 2012 Wimbledon finalist Agnieszka Radwanska, away from reaching her first final in a major. The way she's rolling, I think she will get there. 

Agnieszka Radwanska Wins a Thriller

Speaking of Radwanska, she looked fantastic in her three-set match against Li Na. This was a match filled with crucial points and epic rallies. Li didn't lose this one as much as Radwanska won it.

In the first set, each player earned two breaks to force the tiebreak. Then, Radwanska did suffer a letdown in the second set, as she led 4-2 before Li swept the remainder of the set. Wimbledon tweeted the remarkable turnaround: 

Unfazed, Radwanska took the third set by a comfortable margin, but nearly every game was tight and filled with rallies.

The rain paused this one in the third set, and Radwanska didn't lose focus or efficiency. It was an impressive performance, and her semi against Lisicki should be a great one. 

Kirsten Flipkens Pulls off Major Upset

The upset of the day was Belgian Kirsten Flipkens taking out 2011 champ Petra Kvitova in three sets. After dropping the first set, 4-6, Flipkens' turnaround in this match was impressive. 

In the opening set, Flipkens was patient while Kvitova was aggressive. This wasn't working for Flipkens, as she was off with her serve and won only 55 percent of her service points. 

She wasn't deterred, however, and she got better. Flipkens has a strong serve and she began to assert it. In the second set she won 77 percent of her service points and 69 in the decisive third set. 

This win was no fluke. Flipkens has a nice game for grass. Along with her serve, she is comfortable at the net and has a solid backhand slice.

In a tournament of upsets, who's to say Flipkens can't win it all?