Mexico's Renata Zarazua pulled off a stunning upset by beating sixth seed Madison Keys while American Frances Tiafoe launched his latest bid to end the American men's drought at the U.S. Open with a confident win over Japan's Yoshihito Nishioka.

Zarazúa also became the first Mexican woman to ever beat a top-10 opponent at the U.S. Open. Keys, who prevailed in a twisting first-set tiebreak and then took the first three games of the second set at a clip,

Australian Open champion Madison Keys suffered a shock first-round defeat against Mexico’s Renata Zarazua amid searing heat at Arthur Ashe Stadium on Monday afternoon. Keys, the world No. 6, made a staggering 89 unforced errors in a marathon match against the 95th-ranked Zarazua,

France’s Benjamin Bonzi upset No. 13 Daniil Medvedev of Russia in the final match of Sunday's first-round play at the US Open.

Who is Daniil Medvedev? Is he a quirky character, who sometimes sails close to the wind while being good news for his sport? Or does his evident relish for being a provocateur cross the line of what’s acceptable on a tennis court?

Another year, another exciting, dramatic and unpredictable U.S. Open underway, with its championship games quickly approaching. The 145th annual tournament is taking place at the USTA Billie Jean King National Tennis Center in Flushing,

Twice Wimbledon champion Petra Kvitova bade an emotional farewell to professional tennis on Monday after her first-round defeat at the U.S. Open, saying she was most proud of her resilience and major triumphs during a memorable two-decade career.

While a recent bout with Covid-19 didn’t give Petra Kvitova the proper preparation she probably would have liked, the two-time Wimbledon champion did successfully make her farewell to tennis the way she wanted – at the US Open.

For Alex Eala, the 20-year-old Filipina tennis prodigy, the latest page turned on the grand stage of Flushing Meadows -- where she became the first player from the Philippines to ever win a singles match in a Grand Slam main draw.

Alexandra Eala of the Philippines upset 14th seeded Clara Tauson on Day 1 of the US Open to make history for Philippines tennis players

Alexandra Eala produced a jaw-dropping late comeback to carve out a piece of tennis history at the US Open on Sunday, becoming the first player from the Philippines to win a Grand Slam singles match with a first round upset of Danish 14th seed Clara Tauson.