"I was really focused each game and each point. Especially against top players, one point can make the difference. So I had to stay very calm and keep going," the world number 50 added.
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.
"I cannot begin to explain how incredible an opportunity it is to join a club with such an amazing history. I would like to thank everyone at Ajax, I grew up there and I will always have a special bond with the club. I am now ready to take the next step in my career and perform at the highest level and there is no higher standard than Manchester United," said Van de Beek on the Manchester United website.
PARIS, Sept. 2 (Xinhua) -- British rider Adam Yates took the lead of the Tour de France after home title favorite Julian Alaphilippe was given a 20-second penalty in Wednesday's stage five, which was won by Belgian Wout van Aert.
Meanwhile United coach Ole Gunnar Solskjaer commented that he was pleased with what the talented playmaker could bring to his team.
KUALA LUMPUR, Sept. 3 (Xinhua) -- Badminton World Federation (BWF) President and Olympic gold medalist Poul-Erik Hoyer Larsen revealed on Thursday that he is receiving treatment after being diagnosed with Parkinson's disease.
BERLIN, Sept. 3 (Xinhua) -- Jose Luis Gaya's injury-time equalizer canceled out Timo Werner's opener and helped Spain snatch a last-gasp 1-1 draw with Germany in Group 4 of the UEFA Nations League on Thursday.
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.
"This victory is very important to me - I've worked so hard to get this win," said the 27-year-old Kazakh.
WASHINGTON, Sept. 2 (Xinhua) -- Men's top seed Novak Djokovic of Serbia survived a first set scare to beat Britain's Kyle Edmund 6-7 (5), 6-3, 6-4, 6-2 in the second round of the US Open, while women's top seed Karolina Pliskova suffered an early exit on Wednesday.
"It was a heavy finish. It was maybe the most easy stage I ever did in a cycling race because there was no breakaway, not a high pace at all, but then the last hour was really hectic with the wind," Van Aert said.