Leonardo Mayer sets up Kyle Edmund clash, Hyeon Chung held up by rain
Leonardo Mayer beat Yuichi Sugita in straight sets to set up a second-round encounter against Kyle Edmund at the Winston-Salem Open.
The Argentine required just one hour and 30 minutes to beat Sugita 6-3, 7-6 (7-4).
Mayer will face third seed Edmund, who had a bye in his opener, in the second round.
Sixth seed Hyeon Chung and Guillermo Garcia Lopez will have to return on Tuesday to finish their first-round match as play was called off with the score 6-6 in the first set.
Meanwhile, fourth seed Marco Cecchinato was the biggest casualty in the final US Open tune-up event as the Italian suffered a 6-3, 6-4 defeat at the hands of Jan-Leonard Struff.
German Struff will face Nicolas Jarry in the second round after the Chilean defeated Andreas Seppi 6-4, 6-3.
American Tennys Sandgren set up a clash with 2017 runner-up Damir Dzumhur as he claimed a 6-4, 6-3 victory over Ricardas Berankis.
Other players who advanced on Monday were Taro Daniel, Jaume Munar, Taylor Fritz and Ryan Harrison.
‘Mature’ Emma Raducanu told what to expect from ‘very solid and very tough’ Sara Sorribes Tormo
“It is an amazing tournament for her.”
T365’s live scores and results centre: Follow the action from the 2021 US Open right here…
This way for day five of the 2021 US Open…
Alexander Zverev tired of ‘negative’ talk, but feels ATP needs rules change after Stefanos Tsitsipas toilet drama
“There needs to be some adjustments in some rules by the ATP,” says Zverev.
Bianca Andreescu’s work on her serve and gym efforts paying off as she goes 9-0 at US Open
Bianca Andreescu yet to taste defeat at US Open main draw.
T365 Recalls: Tears and an emotional speech as Andre Agassi retires from tennis after US Open defeat
The American bid an emotional farewell to Arthur Ashe Stadium.
US Open day four: Emma Raducanu ‘sent to the principal’s office’, Gael Monfils shows his flexibility and more
A look back at day four from the 2021 US Open.
Novak Djokovic gives cheeky reply to question about Roger Federer and Rafael Nadal as he hails Big Three rivalry
An interesting response from Novak Djokovic.
‘I feel like it’s not good for us players,’ says Novak Djokovic about rowdy US Open spectator
World No 1 insisted he was not acting like a “spoiled brat”.
‘I have to take it moment by moment,’ says Novak Djokovic as he eases into round three
World number one taking nothing for granted.
Emma Raducanu closes in on rankings breakthrough as Tim Henman salutes the teenager
Raducanu turned in another sparkling as she eased into the US Open third round.