The 2018 champion lost to Anisimova in the quarterfinals in Paris last year, but this time the Romanian needed only 54 minutes to complete a convincing victory.
With the result, Union Berlin move up to third place in the standings, while Mainz stay 17th after suffering their third straight defeat of the new season.
Alfaro was appointed Ecuador's head coach in August following the resignation of Jordi Cruyff.
Union gained momentum but missed the chance to extend the lead at the half-hour mark after Nico Schlotterbeck pulled wide from tight angle.
BRATISLAVA, Oct. 5 (Xinhua) -- The Slovak ice hockey premier league, known as the Tipos Extraliga, is still marred by the coronavirus pandemic with three out of 12 players testing positive and unable to participate.
The evening featured 20 performances. Tong Jian told reporters that 26 athletes took part in the event, which was the largest performance their team had participated in. Several movie stars and celebrities were in attendance to get a first glimpse of the festivities.
The arrival of the national quartet of Li, Yang Liwei, Huang Sijing and Li Yuan meant Inner Mongolia, playing in the WCBA for the second year, emerged as a rising powerhouse.
As expected, head coach Gustavo Alfaro included Fenerbahce forward Enner Valencia and teenage Sporting Lisbon winger Gonzalo Plata in his 30-man squad.
For Zhu Fangyi and his friends, returning to swimming in public waters felt sweeter than ever in this pandemic-disrupted year.
Head coach Oscar Tabarez also included Real Madrid's Federico Valverde, Barcelona's Ronald Araujo, Valencia's Maxi Gomez, Girona's Cristhian Stuani and Getafe pair Damian Suarez and Mauro Arambarri in his 23-man squad.
Wu opened the game with two straight 3-pointers, while Henan's Zhang Lingge answered with two shots from beyond the arc. Wu and Liu combined for 18 points as Shanxi built a 22-17 lead in the first quarter.