Top seeds Novak Djokovic and defending champion Rafael Nadal, who have first round byes, will begin their campaigns on Wednesday.
Shenhua took the upper hand after Yang Xu converted a penalty on 47 minutes from Lu Lin's trip on Peng Xinli but R&F leveled in the 79th minute as Zhang Gong flicked in a cross from Chen Zhizhao.
"The result didn't meet my expectation. I was just not in right tempo," Xie commented.
Elsewhere, Villarreal came back from a goal down to take their first win of the season with a 2-1 victory at home to Eibar.
Shenzhen captain Gao Lin put the game to bed on 28 minutes when he scored from a tight angle after Preciado's header parried by Jianye keeper Wang Guoming.
But with four minutes to go into stoppage time in the second half, Shenhua equalized when centre-back Bi Jinhao took scoring chance from very close range. Enditem
The "BVB" smoothed the way for their win with three first-half goals, while Dominic Volkmer's red card before half-time left Duisburg hopeless.
The report said the decisions made through the NFABD Competition Standing Committee meeting took into consideration the weather conditions in the Sultanate.
Reguilon will cost the Spurs 30 million euros, and according to Spanish sports paper Diario AS, has agreed a deal until the end of June 2025 with Real Madrid reserving the right to buy him back for 40 million euros before the summer of 2022.
"Unfortunately, I won't be able to play the French Open this year. My hamstring is still sore, so I won't have enough time to prepare for the clay," Osaka said on Twitter and Instagram.
"The game was in fact over after my team saw a straight red card. However, my team tried their best to avoid a worse defeat," Duisburg head coach Torsten Lieberknecht said.