As 2012 Wimbledon continues on Saturday morning, No. 6-seeded Serena Williams is in a battle in her match with No. 25-seeded Jie Zheng. The two battled for each game in the set, with Zheng finally taking the set from Williams, 7-6 after a 7-5 tie break.

With the second set in progress, Zheng is up 2-1 on Williams, and Williams is trying to avoid elimination.

In other third round action, Tamira Paszek knocked out Yanina Wickmayer in three sets in a tough, close battle. Paszek won the set 2-6, 7-6 (7-4), 7-5 to advance to the fourth round of Wimbledon.

Petra Kvitova, the No. 4 seed, was able to coast through the third round, taking down Varvara Lepchenko in straight sets, 6-1, 6-0, in early action to move on to the next round.

A full Wimbledon 2012 scoreboard can be found at SI.com.

For more throughout Wimbledon, visit SB Nation's tennis hub.