Daniil Medvedev said he was enjoying his growing rivalry with world number one Jannik Sinner despite coming out on the wrong end of the scoreline in the quarter-finals of the U.S. Open on Wednesday.

Top seed Jannik Sinner broke through Daniil Medvedev’s defences to win 6-2 1-6 6-1 6-4 in a seesawing U.S. Open quarter-final.

American Jessica Pegula knocked out the world number one Iga Swiatek 6-2 6-4 to reach her first major semi-final at the U.S. Open on Wednesday.

American Emma Navarro produced a stunning second-set fightback to move into her first Grand Slam semi-final with a 6-2 7-5 win over Spain’s Paula Badosa as her breakout season continued at the U.S. Open on Tuesday.

Emma Navarro said on Sunday she has sometimes felt overwhelmed on the big stage but the American was in her comfort zone on her first U.S. Open appearance at the cavernous Arthur Ashe Stadium as she beat defending champion Coco Gauff 6-3 4-6 6-3.

Jannik Sinner avoided the fate of his top rivals, reaching the fourth round of the U.S. Open while fellow top seed Iga Swiatek gained momentum in her quest for a sixth Grand Slam title after a pep talk from Serena Williams.

Defending champion Coco Gauff was tested early but righted the ship in time to secure a spot in the last 16 at the U.S. Open with a confidence-boosting 3-6 6-3 6-3 victory over plucky Ukrainian Elina Svitolina.

A tenacious Andrey Rublev survived a marathon U.S. Open encounter when he battled back from two sets down to beat Arthur Rinderknech 4-6 5-7 6-1 6-2 6-2 and move into the third round at Flushing Meadows.

Top seed Jannik Sinner left the doping controversy that marred his U.S. Open preparations in the rear view mirror with a largely drama-free start to his campaign while fellow title contender Carlos Alcaraz also advanced after a minor blip.

Novak Djokovic’s bid for a record 25th Grand Slam title kicked off on Monday with a 6-2 6-2 6-4 win over qualifier Radu Albot in the U.S. Open first round as the defending champion returned to the court after his Olympic triumph.

Coco Gauff has had an easy start to her US Open title defence, rolling to a 6-2 6-0 victory over Varvara Gracheva of France.

The first round of the U.S. Open begins on Monday as the world’s top players battle for Grand Slam glory in New York.