Elsewhere, Sassuolo registered another comprehensive victory as it beat Crotone 4-1 with Francesco Caputo's brace.
Wu and Zhao combined for the first 11 points for Shanxi, who showed their depth and began to pull away after bench players came in for a 24-16 first quarter advantage through Fu Jinqiu's buzzer-beating layup.
Fiorentina loanee Pedro put the hosts ahead with a low strike before Bruno Henrique converted from the penalty spot after a Leo Gomes handball.
American Sara Hall, who sprinted to surpass world champion Ruth Chepngetich in the last meters, finished second in 2:22:01. Chepngetich from Kenya completed the race four seconds later.
"This might be another painful setback, but after all, it delivered valuable hints of the topics we have to work on," Baum said.
Burel wasted three set points when she took a 5-3 lead in the first set and stormed to 40-0 in the ninth game. But Zhang battled back to save all three, and held the serve before breaking Burel's in the tenth to level the score at 5-5.
Two-time Grand Slam winner Kvitova had to bounce back from 1-5 down in the opening set against Canada's teenager Leylah Fernandez to set round-of-16 clash with Zhang.
Lo Celso did not train with his Albiceleste teammates on Monday after failing to recover from the muscle strain that kept him out of Tottenham's 6-1 victory at Manchester United on Sunday.
Madrid boss Zinedine Zidane, who has to work out what his most effective line up without the injured Eden Hazard is, could start with Wednesday's goal scorer, Vinicius Jr alongside Karim Benzema and Marco Asensio.
As expected, there was no place for striker Edinson Cavani, who has yet to find a new club after leaving Paris Saint-Germain in June. The 33-year-old has not played since March.
Restraining Shanghai to five points in the first quarter and 18 at the break, Xinjiang obviously found its winning key.