The match was briefly halted after Raducanu spoke with the umpire, who quickly contacted tournament organisers. The 22-year-old stood behind the official's chair as the spectator was escorted away.
Novak Djokovic's comeback came to a crashing halt on Tuesday as he lost 7-6 (7/4), 6-2 to Matteo Berrettini in the second round of the Qatar Open.
World number one Sinner agreed to a three-month ban on Saturday, admitting "partial responsibility" for mistakes by his team which led to him twice testing positive for traces of clostebol in March last year.
Jannik Sinner accepted on Saturday a three-month ban from tennis after the world number one admitted team mistakes led to him twice testing positive for traces of banned substance clostebol last year.
Djokovic's bid for a record-breaking 25th Grand Slam title at the Australian Open was ended when he was forced to retire injured after dropping the opening set against Alexander Zverev in the semi-finals.
World number three Alcaraz had too much weight of shot off both flanks for his opponent, who retrieved valiantly but lacked the weapons to topple the top seed.
Former world number one and two-time Grand Slam winner Simona Halep announced her retirement from professional tennis on Tuesday after losing in the first round at her home event in Cluj.
Two-time Wimbledon champion Petra Kvitova will return to action this month after a 15-month maternity break, with the Czech set to play in three tournaments in the United States.
The match was briefly halted after Raducanu spoke with the umpire, who quickly contacted tournament organisers. The 22-year-old stood behind the official's chair as the spectator was escorted away.
Novak Djokovic's comeback came to a crashing halt on Tuesday as he lost 7-6 (7/4), 6-2 to Matteo Berrettini in the second round of the Qatar Open.
World number one Sinner agreed to a three-month ban on Saturday, admitting "partial responsibility" for mistakes by his team which led to him twice testing positive for traces of clostebol in March last year.
Jannik Sinner accepted on Saturday a three-month ban from tennis after the world number one admitted team mistakes led to him twice testing positive for traces of banned substance clostebol last year.
Djokovic's bid for a record-breaking 25th Grand Slam title at the Australian Open was ended when he was forced to retire injured after dropping the opening set against Alexander Zverev in the semi-finals.
World number three Alcaraz had too much weight of shot off both flanks for his opponent, who retrieved valiantly but lacked the weapons to topple the top seed.
Former world number one and two-time Grand Slam winner Simona Halep announced her retirement from professional tennis on Tuesday after losing in the first round at her home event in Cluj.
Two-time Wimbledon champion Petra Kvitova will return to action this month after a 15-month maternity break, with the Czech set to play in three tournaments in the United States.
"He has lost only four or five matches in the past year, so it's crazy. I know people say who's better out of us. They say Jannik is better or some say me. It's all discussion."
World number one Jannik Sinner will not defend his ATP 500 title in Rotterdam as the Italian's "body needs time to rest" after winning the Australian Open, tournament organisers announced Monday.
