Valter, 22, broke free during the final few kilometers and the peloton was unable to catch him.
Fiorentina loanee Pedro put the visitors ahead in just the second minute by pouncing on an errant pass and sliding home from close range.
PP Sports released a statement on Thursday night, claiming the termination was just a "strategic adjustment".
Fourth seed Naomi Osaka of Japan booked her place in the third round with a comfortable 6-1, 6-2 win over Italy's Camila Giorgi.
BUDAPEST, Sept. 2 (Xinhua) -- Hungary's Attila Valter won the Tour de Hongrie cycling race on Wednesday, beating American and Australian rivals.
"It is of course very painful if you concede a goal in the last seconds of the match but I have to say that my team gave everything. Both sides played an interesting first half with chances at both ends of the green. I am overall satisfied with the performance," said Germany head coach Joachim Low.
The win meant Qingdao continue to lead the overall standings, although second-placed Ruichang Biyuan also cruised to a victory, beating second from the bottom team Anhui Souyu 4-1 later in the day.
A product of the Ajax youth academy, Van de Beek made his first-team debut in 2015. In total, he played 175 official matches for Ajax, scoring 41 times.
The Bundesliga is also going to intensify its efforts to support football development in China.
Earlier, sixth seed Petra Kvitova of the Czech Republic edged past Ukraine's Kateryna Kozlova 7-6 (3), 6-2, and eighth seed Petra Martic of Croatia beat fellow Ukrainian Kateryna Bondarenko 6-3, 6-4 to also advance into third round. Enditem
By winning the cup, the Tabriz-based team will directly participate in next year's AFC Champions League. Enditem