China continued their ascendancy in beach volleyball event as its two men pairings both stormed straight-set victories over opponents Monday in Doha, following its women teams double win on Sunday.

Top Chinese seeds Wu Penggen and Xu Linyin got off to a solid start with 21-11, 21-14 win against Al Farsi Ibrahim and Al Maqbali Yaqoob of Oman.

"China is not an easy team to play, especially considering they are ranked sixth in the world and they have finished third in a world tour event," said Yaqoob Al Maqbali. "We gave everything we had, but unfortunately, we lost."

Wu Penggen and Xu Linyin will take on Indonesia's Ardiyansah Andy and Darkuncoro Koko Praetyo in the next round. The latter downed Al Jamani Saeed and Benlouaer Ziad of Qater 24-22, 21-15 later in the day.

"Our experience has helped us take the match today," said Wu. "This is the first time we have played in the Asian Games. We just need to become familiar with the venue."

Another Chinese combination Zhou Shun and Li Jian also looked impressive in their relaxed 21-10, 21-14 win over Tupaz Parley and Verayo Rhovyl of the Philippines.

The Chinese duo will face Vorobyev Dmitriy and Sidorenko Alexey of Kazakhstan in the next round, who toppled Bahrain's Al Merza Qarder Abdulla Ahmed/Omran Osama Isa Ali in straight sets with identical score of 21-16 on Monday.

Two Japanese teams, Nishimura Koichi and Watanabe Satoshi, and Asahi Kentaro and Shiratori Katsuhiro also both gained straight-set win over their Malaysian and Sri Lankan opponents respectively.

Saulko Pavel and Zabuslayev Pavel, another pairing form Kazakhstan, also upset their Bahrain's peers Parwees Yunes Hasan Abbas and Qarqoor Hasan Aqeel Hasan Ahmed, Bahrain 2-0, while host players Anber Mohammed and Salem Mohammed were beaten by the Indonesian pairing Salim Agus and Supriadi Supriadi.

China, Japan, Kazakhstan and Indonesia have qualified for Wednesday's third round, while the remaining 15 teams in the men's tournament will now play in the second-chance bracket in draw, which begins on Tuesday.

For the women's part, Hong Kong duo Kong Cheuk Yee and Tse WingHung, who lost in first round, survived from a sudden-death match after beat their Mongolian rivals 2-0.

However, the Iraqi team Lida Agasi and Liza Aghasy suffered a second loss to the Sri Lankan combination Geethika Lalani Gunawardana and Withanage Sujeewa Wijesinghe, almost losing chance for the next round.

Twenty-three teams contest the men's tournament, while 14 women teams compete for champion in beach volleyball event.

China finished 1-2 in the women's beach volleyball and took a bronze in the men's sport in the 2002 Asian Games.