A Chinese flag flies high over The Bund.

Liu Liqun | Corbis Documentary | Getty Images

Asia-Pacific markets opened mixed Monday as investors awaited China's rate decision at a time when the yuan has come under pressure due to Beijing-Washington trade tensions.

Japan's benchmark Nikkei 225 fell 0.43% at the start of the day, while the broader Topix index lost 0.35%.

In South Korea, the Kospi index increased 0.11% at the open while the small-cap Kosdaq was flat.

Investors will be keeping a watch on the People's Bank of China's loan prime rate verdict, expected later in the day.

Australian and Hong Kong markets were closed for the Easter holiday.