"She played unbelievable today and she was everywhere and she hit all the balls in a very strong, very powerful way," the world No.2 said after the match. "It was a little bit cold and I couldn't be at my best."
The appointment of Waldrum by the Nigeria Football Federation (NFF) came a year after Swede Thomas Dennerby resigned from the job in October 2019.
"If you win 4-0, you have to be happy. We will analyse today's game in a couple of days but for now we are delighted. Today it was important to be effective when it mattered most," Union head coach Urs Fischer said.
As one of title contenders going into the current campaign, Xinjiang was back on a winning track following its defeat to Sichuan in Thursday's opener.
Iran sit third, behind Iraq and Bahrain, in Group C of the Asian qualifiers for the FIFA World Cup Qatar 2022. Enditem
The 28-man squad is headed by Barcelona forward Lionel Messi and also includes Juventus attacker Paulo Dybala and Inter Milan striker Lautaro Martinez.
In other Brazilian top-flight fixtures on Saturday, Gremio drew 1-1 at home to Internacional while Corinthians drew 0-0 at Bragantino. Enditem
Wuhan had the upper hand for most of a back-and-forth second half, heading into the final frame with a three-point margin, but had to watch as their lead slipped away.
"As a young team, playing against such a strong team as Xinjiang, we can learn and improve a lot," Li said after the match.
The two-time Grand Slam winner committed just seven unforced errors throughout the one-sided encounter and broke her opponent's serve six times.
On the Shandong side, Yang Hengyu contributed 16 points, while Qiao Yanzi added 12.