The Flushing Meadows grand slam will update its seeding policy to take into account a player returning from a pregnancy, according to United States Tennis Association president Katrina Adams.
Englishman Poulter and American Piercy tamed the weather, both carding one-under-par 69 in the wicked winds that whipped across the exposed Shinnecock Hills course.
The new Armstrong opens for play in August at the US Open’s 50th anniversary.
US Open which begins in New York on August 27, will also have a strict 7-minute period from when players enter a court until the action starts after the warmup.
The 25-year-old New York native fed off the energy of the partisan crowd at Arthur Ashe Stadium, which erupted when Pliskova returned a serve into the net on match point. Defeat for the Czech ensured that she would no longer top the WTA rankings when they are released next week.
The 28th seed, who had taken the first set also in a tiebreak, benefited from his opponent’s meltdown to set up a set point at 8-7 after falling 6-1 down, but Sam Querrey saved it and eventually levelled the tie.
Rafael Nadal turned in his most powerful performance yet on a dominant day for the No. 1 seeds. Shortly after top-seeded Karolina Pliskova overwhelmed American Jennifer Brady 6-1, 6-0 in just 47 minutes, Nadal punished an opponent who had beaten him in two of the previous three meetings.
Karolina Pliskova, runner-up at Flushing Meadows last year, would have lost her world number one ranking had she been beaten on Arthur Ashe Stadium but instead moved another step closer to a first career grand slam title.
Maria Sharapova was awarded a main-draw wildcard for the tournament she won in 2006 after French officials denied her that same courtesy for the French Open earlier this year.
Indian golfer, Jeev Milkha Singh qualified for the US open and will be playing in his first major since 2012.
Flavia Pennetta was picked by Mumbai Tennis Masters for the second edition of the Vijay Amritraj-run event.
Sania Mirza and Martina Hingis have won four titles this season.
Roger Federer, who will be 35 next year, won his last US Open title in New York back in 2008.
Sania Mirza-Martina Hingis won the 2015 US Open women’s doubles title in New York on Sunday.
Together with the Australian Open and Wimbledon crowns, Novak Djokovic matched his 2011 season by winning the same three Slams.