Updated: 25 min 5 sec ago
Swiss teenager Belinda Bencic wrapped up a day of surprises at the US Open, ousting Jelena Jankovic to reach the first Grand Slam quarterfinal of her young career.
Caroline Wozniacki, who reached her first Grand Slam final at the US Open in 2009, lit up the New York crowds on Sunday with an electric win over Maria Sharapova.
She had been to the fourth round of Grand Slams five times before and never went further - but it was sixth time lucky for China's Peng Shuai in New York on Sunday.
Sara Errani ended Mirjana Lucic-Baroni's fairytale run at the US Open with a 6-3, 2-6, 6-0 win on Sunday.
Marion Bartoli, who made a fairytale run to the Wimbledon title a year ago, will join Martina Navratilova and Tracy Austin at the WTA Legends Event in Singapore.
The string of upsets during the first week of the US Open has intensified the competition for places at the BNP Paribas WTA Finals Singapore presented by SC Global.
Serena and Venus Williams strolled past Garbiñe Muguruza and Carla Suárez Navarro on Sunday afternoon and into the quarterfinals of the US Open doubles.
WTA Rising Star Jana Cepelova leads a strong field at the second WTA 125K Series event of the year in Suzhou, China. Watch free live streaming every day right here on wtatennis.com!
Maria Sharapova, who earlier this year won her fifth Grand Slam title at Roland Garros, is featured in the latest edition of The Edit. See images from the magazine feature right here.
Throughout the US Open fortnight, wtatennis.com contributors will bring us a little closer to the action. Today, Nick McCarvel takes a glimpse into Mirjana Lucic-Baroni's comeback...
Can anyone take No.1 from Serena Williams? Could No.2 change hands? Who can qualify for Singapore? Who saved match points in Week 1? Get ready for Week 2 here!
An interview with Maria Sharapova after her loss in the fourth round of the US Open.
Eugenie Bouchard battled hard under the lights, Victoria Azarenka hit a major milestone, Petra Kvitova was bitten by the upset bug and the second week was set.
Aga, Ana, Simona, Angie - now Petra. Another Top 8 seed was bundled out of the US Open on Saturday as Serbian qualifier Aleksandra Krunic outdid Petra Kvitova.
Defending champion Serena Williams overcame Varvara Lepchenko and the blustery conditions on Arthur Ashe to book a place in the fourth round of the US Open.
Two-time US Open runner-up Victoria Azarenka laid down a marker at this year's tournament with a brilliant performance against Elena Vesnina on Saturday afternoon.
Jarmila Gajdosova and Ajla Tomljanovic caused the latest upset at this year's US Open when they knocked out top seeds and 2012 champions Sara Errani and Roberta Vinci in the second round.
Every other week, USANA will bring you a video recapping the three biggest lifestyle headlines from the week, right here on wtatennis.com. Watch the latest video right here... enjoy!
The rowdy crowds, celebs, the final set tie-break - those are just a few of the signs that, if you see them, you know you're at the US Open. Blair Henley investigates for wtatennis.com.
The BBC was in New York to experience CiCi mania and find out a little bit more about the newest WTA Rising Star.