The Uruguayan came into the game as a 65th minute substitute with the score already 3-0 thanks to goals from Diego Costa, Angel Correa and the impressive Joao Felix.
A favorable group draw for the 2020-21 Champions League completed the Bavarians' perfect day, as they will meet Atletico Madrid, RB Salzburg, and Lokomotiv Moscow in Group A.
Acheampong scored a goal in the 81st minute, but it was ruled out for offside.
Selby, 37, reached his 27th career ranking final after defeating China's top player Ding Junhui and compatriot Shaun Murphy back-to-back on Saturday.
Shanghai led by as many as 35 points in the final period.
World champion Xu Jiayu from Zhejiang clinched his second gold in the men's 100m backstroke in 52.60 seconds, after his 200m backstroke victory on Sunday.
Hoffenheim then grabbed the lead out of the blue with 16 minutes gone when Ermin Bicakcic headed home Dennis Geiger's corner kick to stun Hansi Flick's men.
The hosts dominated early as Jorge Recalde scored either side of a Carlos Sanchez penalty at the Manuel Ferreira stadium in Paraguayan capital Asuncion.
Starting from pole position, Zhou kept his lead in the opening stages of the race while others jockeyed for position behind him.
MADRID, Sept. 30 (Xinhua) -- A 65th minute goal from Vinicius Jr gave Real Madrid a 1-0 win at home to Real Valladolid in the fourth round of matches in La Liga on Wednesday night.
"The club has, and will continue to, follow all protocols relating to Covid-19 and Thiago will remain in self-isolation for the required period of time," informed the club.