The match between Sinner and Goffin was the first match under the new roof on Court Philippe-Chatrier, as the first day of this year's French Open turned out to be a stormy one.
Italian qualifier Lorenzo Giustino claimed his first tour-level win in a more than six-hour marathon match against Corentin Moutet. It came close to breaking the 16-year-old record for the longest match at Roland Garros.
Luo's compatriots Zhao Xintong, Xiao Guodong and Zhou Yuelong all have progressed into the second stage earlier.
One player who is likely to miss out however, is striker Luka Jovic. The Serb was given a chance to show what he can do at the weekend, but produced another disappointing display (although he did provoke a red card for Betis defender Emerson). Everything points to Jovic being loaned out before the end of the season with Borja Mayoral remaining as backup to Karim Benzema.
31-year-old Sunjic, who stands 1.94m tall, has played for many clubs across Europe, including VfB Stuttgart, S.S.D. Palermo and FC Dynamo Moscow. He also represented his country in the 2014 FIFA World Cup in Brazil.
Ninth seed Denis Shapovalov of Canada crashed out after suffering a shock defeat to Roberto Carballes Baena of Spain.
"It's an unfortunate incident, Mokua was heavily attacked by the hippo while on his training session on Monday evening. If it wasn't for his training partner who rushed to his rescue, it could have been a different story," athletics coach Francis Kamau told Xinhua on Tuesday.
Both are very much underdogs against Manchester United, Paris Saint-Germain and Istanbul Basaksehir (Leipzig) and Real Madrid, Inter Milan, and Shakhtar Donetsk (Gladbach).
Inter coach Antonio Conte started new arrival Aleksandar Kolarov but benched fellow summer signings Arturo Vidal and Achraf Hakimi, while Romelu Lukaku partnered Lautaro Martinez up front with Christian Eriksen behind them.
Chongqing Dangdai edged Shanghai SIPG 1-0, but Shanghai SIPG still managed to rank first in Suzhou division, and will take on Shanghai Shenhua in the second stage. Enditem
This is Zhou's second season in Formula 2, with the 21-year-old having finished the 2019 season in seventh place as the series' top rookie. The Shanghai-born driver is currently eighth in the 2020 standings with four races still to run. Enditem