The 12-time champion also improved his record at Roland Garros to 95-2 with this win.
The Tri beat Guatemala 3-0 in a friendly at Azteca stadium on Wednesday - the first outing of the year for both teams.
Saturday's last game saw Danny Ings' fifth-minute goal against one of his former clubs give Southampton a 1-0 win away to Burnley for their first win of the season. Enditem
Brazil has the world's second-highest COVID-19 death toll behind the United States, with more than 141,000 fatalities. Enditem
"I am really happy about my first round. I was facing another great champion today. The transition to clay and the cold conditions worked out pretty well," said Thiem.
Liaoning followed Zhejiang tightly in the fourth set until Zhejiang strengthened the lead by scoring four points in a row. Wang Na took the set point with a service, then Liaoning gifted the victory to Zhejiang with a spiking error.
Eriksson led Alba scorers with 18 points. Fontecchio finished with 16 points and 8 rebounds.
Ten minutes before the final whistle, Chris Shimbayev fired home after a long run to give Suzhou the three points.
Valencia were held 1-1 at home to recently promoted Huesca in a game the visiting side probably deserved to win, but had to settle for Dimitrio Siovas' header cancelling out Daniel Wass' fortunate opener for the home side.
A brand-new championship format amid strict epidemic prevention measures brought about unprecedented challenges -- each team been asked to play a game every four days, and even more regularly after the CFA Cup kicked off, which forced many clubs to deal with squads plagued with niggling injuries.
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.