Heavy rain in the capital over the past fortnight rendered the pitch unplayable and left organisers with no option but to call off the hotly-anticipated reunion between Jose Mourinho and Pep Guardiola in the International Champions Cup group fixture.
And with more storms forecast today, the match itself could be in the balance.
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"It's a problem for me, bad conditions for my players to train and bad conditions for my players to play".
United fell 4-1 against Borussia Dortmund in a friendly on Friday, which could put a little more pressure on the United players to put in a better performance Monday.
It was the latest disruption of a trip impacted by bad weather en route to Beijing on Saturday evening, forcing one of United's two planes to take an unscheduled stop in Tianjin.
"We want to play calm, play safe, go home and keep the preparation going next week", said Mourinho at Beijing's Olympic Sports Centre Stadium.
"We know the humidity for the training is not ideal but we also know that it's so important to come here to know the people and to play a good two games against incredible teams like United and Dortmund". "I hope our players and City's players can go home without injury".
While City carry onto Shenzhen, it is a suitably shambolic end to a chaotic pre-season trip for United. "With this manager, I'm sure they will buy new players".
The pair were on opposite sides of the Real Madrid-Barcelona power struggle and developed a fierce rivalry over a three-year period.
"Of course I'll shake his hand".
Manchester United boss Jose Mourinho became riled by questions over whether he will shake hands with Manchester City counterpart Pep Guardiola. You play Thursday and then I don't think they (the Premier League) are going to play us Monday, they are going to play us Sunday and probably at 12 o'clock.