The win also saw the team from northwest France climb to the top of the table, two points clear of second-placed Lille.
Salihamidzic seems to be facing a Herculean challenge to not only find a back-up for spearhead Lewandowski, an additional midfielder and a suitable full-back.
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.
Chinese paddlers Fan, Xu Xin, Ma and Lin Gaoyuan are present on the men's singles list. Their main rivals will be Harimoto, Calderano, Mattias Falck of Sweden and Dimitrij Ovtcharov of Germany.
Ramos chipped the ball into the middle of the Betis goal to give his side their first win of the season and end Betis' winning start to the campaign.
The 16 teams were divided into two groups this season, with the top four teams in each group moving into Final A for the championship race while the bottom four falling into Final B for the 9th to the 16th places.
Luo, 20, defeated Billy Castle 3-1 and swept Jamie Wilson 3-0 before locking horn with world number five Mark Allen in his last group match. A draw was enough for the Chinese youngster to book a place in the second stage as the group winner.
German record international Lothar Matthaeus recommended Hoffenheim striker Andre Kramaric. The 29-year-old Croatian forward has scored two goals when his side crushed the Bavarians last weekend.
Betis' horrible night was completed eight minutes from time when Alissa Mandi was sent off for two yellow cards to leave his side to play out the final minutes with 10 men.
It seemed Liaoning would dominate the game again as they grabbed seven points in a row in the opening stage of the second set. However, Zhejiang then strengthened their blocking and gradually narrowed Liaoning's lead.
"If we don't have advantage on strength, we should be much more confident than our opponents, and showing a stronger will to win," he added.