Tennis
Highlights of the eighth day at the U.S. Open at Flushing Meadows on Monday (times GMT):2129 HADDAD MAIA SEES OFF WOZNIACKIBrazilian 22nd seed Beatriz Haddad Maia knocked out former Australian Open champion Caroline Wozniacki 6-2 3-6 6-3 to set up a quarter-final clash with Czech Karolina Muchova.1958 MEDVEDEV STORMS PAST BORGESFormer champion Daniil Medvedev had little trouble overcoming Portugal's Nuno Borges 6-0 6-1 6-3 to reach the quarter-finals. The Russian fifth seed will meet the winner of the clash between top-ranked Jannik Sinner and Tommy Paul.1936 FIRE ALARM ISSUEA technical problem caused by a fire alarm in the building housing where the electronic line calling system Hawkeye operates briefly halted matches between Beatriz Haddad Maia and Caroline Wozniacki at Louis Armstrong Stadium and Daniil Medvedev and Nuno Borges at Arthur Ashe Stadium.1826 DRAPER RALLIES INTO QUARTER-FINALSBritain's Jack Draper dispatched unseeded Czech Tomas Machac 6-3 6-1 6-2 to reach the quarter-finals. The 22-year-old will face the winner of the all-Australian clash between Alex de Minaur and Jordan Thompson.READ MOREFire alarm briefly stops play at U.S. Open with Hawkeye affectedDaniil Medvedev swats aside Nuno Borges to cruise into U.S. Open quarter-finalsNo labor day: Jessica Pegula, Karolina Muchova and Jack Draper cruise into U.S. Open quartersJannik Sinner cautious ahead of clash with improved Tommy Paul at U.S. OpenChampion Coco Gauff makes early exit from U.S. Open, Alexander Zverev into last eightZheng Qinwen defeats Donna Vekic in U.S. Open's latest finish for a women's matchFrances Tiafoe says Serena Williams pep talk was a huge boostGiant-killer Alexei Popyrin rues opportunity lost after U.S. Open exitFrances Tiafoe battles past Alexei Popyrin into U.S. Open quarter-finals'I deserve to be on this stage', says Emma Navarro after beating Coco Gauff'Too many free points': Coco Gauff rues poor service game in U.S. Open loss to Emma NavarroHolder Coco Gauff ousted by compatriot Emma Navarro in U.S. Open fourth roundTaylor Fritz outguns Casper Ruud to reach U.S. Open quartersGrigor Dimitrov outlasts Andrey Rublev to punch U.S. Open quarter-final ticket1739 PEGULA ENDS SHNAIDER'S RUNAmerican sixth seed Jessica Pegula reached the U.S. Open quarter-finals for a second time after securing a 6-4 6-2 win over 20-year-old Russian 18th seed Diana Shnaider.1618 MUCHOVA UPSETS PAOLINI TO REACH QUARTERSUnseeded Czech Karolina Muchova knocked out Italian fifth seed Jasmine Paolini, beating the French Open and Wimbledon finalist 6-3 6-3 to reach the quarter-finals.Muchova, 28, had reached the U.S. Open semis last year.1509 PLAY UNDERWAYPlay began under partly cloudy skies in New York, with the temperature hovering around 23 degrees Celsius (73 degrees Fahrenheit).ORDER OF PLAYHere is the order of play on the main showcourts on the eighth day of the U.S. Open (prefix number denotes seeding):ARTHUR ASHE STADIUM (1600 GMT/12 NOON ET)18-Diana Shnaider (Russia) v 6-Jessica Pegula (U.S.)Nuno Borges (Portugal) v 5-Daniil Medvedev (Russia)1-Iga Swiatek (Poland) v 16-Liudmila Samsonova (Russia)1-Jannik Sinner (Italy) v 14-Tommy Paul (U.S.)LOUIS ARMSTRONG STADIUM (1500 GMT/11 AM ET)Karolina Muchova (Czech Republic) v 5-Jasmine Paolini (Italy)25-Jack Draper (Britain) v Tomas Machac (Czech Republic)Caroline Wozniacki (Denmark) v 22-Beatriz Haddad Maia (Brazil)10-Alex de Minaur (Australia) v Jordan Thompson (Australia)