"Schalke's squad is poorly composed. We are talking about the sins of the past," the 59-year-old said.
The South American zone's 2022 World Cup qualifiers had been scheduled to begin in late March but were postponed because of the coronavirus pandemic.
Next up for Halep is another 19-year-old youngster, Iga Swiatek of Poland, whom Halep defeated in the round of 16 here last year.
The ITTF revealed that Zhu has pulled out of the Women's World Cup due to health issues. Sun is also scheduled to play at the 2020 ITTF Finals.
The 2019 ATP Finals champion will face Russia's Andrey Rublev for a semifinals place in the next round. The 22-year-old Rublev recovered from a one set down and trailed by 5-2 in the second to knock out Marton Fucsovics 6-7 (4), 7-5, 6-4, 7-6 (3) in the last men's round of 16 clash.
In other games in Chengdu, after a goalless first half, Beijing Renhe broke the deadlock in the 57th minute to claim a 2-0 victory over Suzhou Dongwu. Taizhou Yuanda defeated Inner Mongolia Zhongyou 2-0.
Having overcome last season's top-ranked side Beijing on Thursday, Jiangsu never looked threatened from the tip-off on Monday. They out-rebounded Tianjin 43-25 to score 26 points on second chances.
"Xinjiang has more star players than us. We just have to relax and prepare for a fight. Nothing else," Ding added.
JIANGMEN, China, Oct. 2 (Xinhua) -- Tianjin claimed its sixth national title by defeating Shandong 3-1 (25-21, 16-25, 25-11, 25-12) in the final of the Chinese Women's Volleyball Championship here on Friday.
Others drafted into Colombia's squad in the past week are Corinthians midfielder Victor Cantillo, Hertha Berlin striker John Cordoba and Bayer Leverkusen defender Santiago Arias. Enditem
The corresponding men's 200m, Sinesipho Dambile upset the pre-race favorite Arthur Cisse of Cote d'Ivoire to win the event in 20.44 seconds. Cisse crossed the line 20.53 seconds ahead of Danish's Tazan Kamanga.