HIGHLIGHTS-Tennis-US Open day seven

Champion Iga Swiatek continues her title defence with a clash against 2017 French Open champion Jelena Ostapenko, while second seed Novak Djokovic takes on Borna Gojo. American Coco Gauff is also in action against former world number one Caroline Wozniacki.

Highlights of the seventh day of the U.S. Open at Flushing Meadows on Sunday (times GMT): 0026 FRITZ OVERCOMES STRICKER

American Taylor Fritz, seeded ninth, booked his place in the quarter-finals after a battling 7-6(2) 6-4 6-4 win over Swiss Dominic Stricker to reach the last eight for the first time in his career. "That was a battle, a really, physical, tight three sets that really came down to a couple of points here and there. I've had a lot of trouble at Slams, and there's no other place I'd rather do it," Fritz said.

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Gauff outlasts Wozniacki to reach U.S. Open quarter-finals Cirstea beats Bencic to reach first Grand Slam quarters in 14 years

U.S. Open order of play on Monday Shelton first through to quarters as action heats up at U.S. Open

Alcaraz passes test while Medvedev works U.S. Open graveyard shift Gauff, Wozniacki ready for clash of generations at US Open

U.S. Open order of play on Sunday Alcaraz holds off Evans to reach U.S. Open fourth round

Sabalenka flattens France's Burel to reach U.S. Open fourth round Jabeur holds off Bouzkova to reach U.S. Open fourth round

Jabeur relieved to get past ailing Bouzkova at US Open Draper defies odds as British old guard exit U.S. Open early

Pegula and Keys into last 16 as American buzz builds at U.S. Open 2151 TIAFOE SWEEPS PAST HIJIKATA

American Frances Tiafoe, the 10th seed, comfortably advanced to the quarter-finals with a 6-4 6-1 6-4 victory over Australian Rinky Hijikata. He will face compatriot Ben Shelton in the last eight. 2129 GAUFF DOWNS WOZNIACKI

Sixth seed Coco Gauff ended the run of former world number one and two-time U.S. Open finalist Caroline Wozniacki 6-3 3-6 6-1. The American will face the winner of the match between Jelena Ostapenko and Iga Swiatek in the quarter-finals. "Caroline (Wozniacki) is back and it looks like she never left, the level that she played today is amazing and she's being an inspiration for me. I remember when I saw her win the Australian Open, to play with her is an honour," Gauff said.

1929 CIRSTEA UPSETS BENCIC Romanian Sorana Cirstea upset Olympic champion and Swiss 15th seed Belinda Bencic 6-3 6-3 to advance to the quarter-finals, where she will face Czech 10th seed Karolina Muchova.

"It's incredible, I always dreamed of being here, it's been many years where I have worked hard but wasn't rewarded, but in the end, if you keep working it pays off," Cirstea said. 1902 SHELTON KNOCKS PAUL OUT

Ben Shelton beat 14th seed Tommy Paul 6-4 6-3 4-6 6-4 in an all-American clash at Arthur Ashe Stadium, sending the 20-year-old into the quarter-finals. 1743 MUCHOVA BEATS WANG

Czech Karolina Muchova, the 10th seed, beat Xinyu Wang of China 6-3 5-7 6-1 to advance for the first time into the U.S. Open quarter-finals. 1508 PLAY UNDER WAY

Play began under mostly clear skies with the temperature at around 23 degrees Celsius (73.4 degrees Fahrenheit). Champion Iga Swiatek continues her title defence with a clash against 2017 French Open champion Jelena Ostapenko, while second seed Novak Djokovic takes on Borna Gojo.

American Coco Gauff is also in action against former world number one Caroline Wozniacki.