CANBERRA, Jan. 6 (Xinhua) -- China's Zhang Zhizhen and Wang Xinyu were knocked out of the first round of the Adelaide International, a warm-up event for the Australian Open, on Monday.
Zhang, the ninth seed at the tournament, was beaten 6-3, 6-4 by Canada's Denis Shapovalov in 67 minutes.
The Canadian former world No. 10 was dominant on serve, winning 80 percent of his service points.
Shapovalov hi
