BEIJING, China - Israel's Shahar Peer became the first player to reach the quarterfinals of the China Open on Wednesday, cruising past Serbia's Bojana Jovanovski in the first match of the day in 59 minutes, 61 62.

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Peer, the No.15 seed in Beijing, lost her serve once in the match but broke Jovanovski's serve five times en route to the comprehensive straight set win.

"I'm very happy. I was playing very well today, very aggressively," Peer said. "I hope to keep going and play better and better every round this week."

Peer will play the quarterfinals of the China Open for the first time; she hasn't even lost a set yet, her most difficult match of the week so far being a 64 62 win over Patty Schnyder in the second round on Tuesday afternoon.

"I came here pretty late after Tokyo," Peer, who reached the doubles final in the Japanese capital, added. "I didn't start too well against Patty in my last match but played well the rest of the match, and I did that through the whole match today. I'm just playing solid and aggressive at the same time on every point."

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Peer has won a tournament in China before, the International-level stop in Guangzhou last year, but this is her first time doing this well in Beijing.

"I haven't had a lot of time to do sightseeing yet this week because I came here late, but I did see a lot of things last year. I went to the Forbidden City and the Great Wall. I just said this morning it's amazing how many historical things you can see in this city, it's not common in other world cities to have this much.

"I really enjoy this tournament. We're treated very well here. You really feel it's a $4.5-million tournament. Everything you want, you have."

Jovanovski had recorded her first career Top 10 win a round earlier over Jelena Jankovic, who was the No.3 seed this week and a champion in Beijing in 2008.

In another early match, Angelique Kerber - who had also pulled off her own big upset, beating No.6 seed Agnieszka Radwanska in the first round - beat Alexandra Dulgheru in the second round, 62 61. Kerber needed just 53 minutes to beat the Romanian No.1, who committed eight double faults.