In another match, Tatjana Malek, who pulled off an upset by defeating Li Na on Tuesday, lost to Channelle Scheepers in three sets 4-6, 6-2, 6-3.
In doubles, sisters Anastasia Rodionova and Arina Rodionova pulled off an upset by defeating first seeds Alisa Kleybanova and Yan Zi in two sets 6-3, 7-6 (5).
Here's the complete results for Day 5.
Singles
Sybille Bammer (AUT) def. Akgul Amanmuradova (UZB) – 6-3, 6-0
Chanelle Scheepers (RSA) def. Tatjana Malek (GER) – 4-6, 6-2, 6-3
Magdalena Rybarikova (SVK) def. Noppawan Lertcheewakarn (THA) – 6-4, 7-5
Chang Kai-Chen (TPE) def. Zheng jie (CHN) -6-2, 6-3
Doubles
Anastasia Rodionova (AUS) & Arina Rodionova (RUS) def. Alisa Kleybanova (RUS) & Yan Zi (CHN) - 6-3, 7-6 (5)
Alla Kudryavtseva (RUS) & Galina Voskoboeva (KAZ) def Sarah Borwell(GBR) & Kops-Jones (USA)
Ekaterina Dzehalevich (BLR) & Tatjana Malek (GER) def Akgul Amanmuradova (UZB) & Darya Kustova (BLR)
Tomorrow’s singles feature match will see Rybarikova take on first seed Elena Dementieva at 6pm on Centre Court.
In the doubles match, Vitalia Diatchenko and Chanelle Scheepers will take on Chan Yung-Jan and Zheng Jie.
Here's the OOP for tomorrow.
