The 16-year-old Ukrainian star beat Ipek Senoglu of Turkey to win the first senior title of her career in the ITF tournament.
Three fancied players did succumb on a cheerless day.
Russia's Elena Dementieva became the latest high-profile casualty at the Pan Pacific Open when the third seed was upset by Ukraine's Kateryna Bondarenko in the second round on Tuesday.
Holder Venus Williams launched her bid for a sixth Wimbledon title with a competitive 6-3, 6-2 victory over Swiss teenager Stefanie Voegele on Tuesday.
Ana Ivanovic discovered there was no where to hide at Flushing Meadows as she slumped out of the US Open in the first round with a 2-6, 6-3, 7-6 defeat by Ukrainian Kateryna Bondarenko on Tuesday.
Third seed Venus Williams's return to Canada ended in a shock 1-6, 7-5, 6-4 second-round defeat by Ukrainian qualifier Kateryna Bondarenko at the Toronto Cup on Tuesday.
Kim Clijsters's comeback gathered pace on Wednesday when the former world number one beat Swiss Patty Schnyder 6-2, 7-5 to reach the third round of the Cincinnati Open. Second seed Serena Williams, who holds three of the four Grand Slam titles, also advanced to the third round after overpowering Kateryna Bondarenko of Ukraine 6-3, 6-2.
Israel's Jonathan Erlich and Andy Ram won their first grand slam title with a 7-5, 7-6 victory over Frenchmen Arnaud Clement and Michael Llodra in the Australian Open men's doubles final on Saturday.
Alona and Kateryna Bondarenko came from a set down to win their first women's doubles title at the Australian Open.
Nadia Petrova lost 6-3, 6-3 to Italy's Mara Santangelo in the second round of the Warsaw Cup.
Sania Mirza pulled out of the doubles event at the Qatar Open on Tuesday with a calf injury.
While Mahesh Bhupathi and Wesley Moodie were ousted in the second round in Rotterdam
The Indian ace beat Ukraine's Kateryna Bondarenko in straight sets to advance to the main draw of the Acura Classic.
The India ace will meet the Ukraine lass in final qualifying round of the Acura Classic tennis tournament in San Diego.
In another match, German qualifier Varana Marie Beller crushed eighth seed Sonal Phadke to move into the quarter-finals of the ITF women's tennis tournament.\n\n
They beat Kateryna Bondarenko of Ukraine and Heidi El-Tabakh of Egypt in the French Open girls' doubles quarters.
The Indian pair beat Sweden's Mari Andersson and Megan Falcon of the US to make the grade at the Jr French Open.
Sania Mirza continued her winning run as she entered the women's doubles semifinals of the Hobart International
Indian tennis star Sania Mirza received a confidence booster ahead of the US Open Grand Slam tournament beginning, on Monday, with a doubles title victory at the Connecticut Open with Monica Niculescu of Romania, in New Haven, USA.
Former world number one Caroline Wozniacki continued her resurgence at the U.S. Open with a commanding 6-3 6-1 win over Romania's Monica Niculescu on Friday to reach the fourth round. The Dane, a U.S. Open finalist in 2009 and 2014 but unseeded this year after being sidelined for two months by an ankle injury, dominated from the start and wrapped up victory in just under an hour and a half. Niculescu, ranked 16 places above Wozniacki in the rankings at 58th, made life tough early on, particularly with her sliced forehand which is a rarity on the WTA Tour.
Pliskova, a finalist at last year's US Open who reached the semi-finals at Indian Wells last week, relied on her booming groundstrokes and strong returning to dispatch her American opponent in 59 minutes.
Images from Day 3 of the 2016 Australian Open in Melbourne, on Wednesday
Photos from the tennis matches played at Indian Wells on Tuesday
IMAGES from Day 5 of the Australian Open in Melbourne, on Friday.
Former champion Maria Sharapova found inspiration in a change of dress to put away unseeded American Lauren Davis 6-1, 6-7(5), 6-0 at the Australian Open on Friday and set up an intriguing fourth round match with rising Swiss talent Belinda Bencic.
Garbine Muguruza was once again left to sift through the remains of another failed US Open campaign after the third-seeded Spaniard suffered a shock 7-5 6-4 second round upset by unheralded Latvian Anastasija Sevastova on Wednesday.
Murray, who is attempting to return to the top of the tennis world after undergoing hip surgery in January, was out of sorts in the first set of the rain-delayed match, losing three service games behind some uncharacteristically soft second serves.
A round-up of tennis matches played on Tuesday.
Williams, a record 23-times Grand Slam champion, will be returning to the All England Club for the first time since giving birth to her daughter last September.
Images from Day 7 at the US Open.
Images from Day 3 of the 2020 US Open in New York, on Wednesday.
Simona Halep and Stan Wawrinka beat the heat with straight-sets wins to reach the third round of a sweltering US Open on Thursday while American hope Jack Sock wilted under the punishing conditions, collapsing on court.
IMAGES from Day 5 of the 2020 US Open in New York on Friday.
Fourth seed Rafael Nadal showed he is healthy and ready to challenge for a third US Open title as he rolled into the last 16 at Flushing Meadows on Friday with a fist-pumping 6-1, 6-4, 6-2 win over Russian Andrey Kuznetsov.
Bhambri, ranked 200th, recovered from a set down and registered what turned to be an emphatic 6-7, 6-3, 6-1 win over Pella in a match that lasted for two hours and 10 minutes.
Stanislas Wawrinka had to dig deep to beat Borna Coric at the Western & Southern Open in Cincinnati on Wednesday and conceded his thoughts had been far from tennis over the past few days.
Images from the Australian Open matches played at Melbourne Park on Wednesday.