Sources said British ace Raducanu was seen cheering on World No. 2 Alcaraz last Thursday and on Saturday before the Spaniard won the grasscourt title at Queen鈥檚 Club, The Sun reports.
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They claimed the pair also arrived at Queens within minutes of each other on both occasions the Brit came to watch Alcaraz play.
鈥淓mma and Carlos鈥 friendship was the talk of Queens – people think there is something going on between them because they have such a spark,鈥 a source said.
鈥淗e was apparently seen at her hotel last week and on Thursday and Saturday, when Emma went to support him, Emma鈥檚 car arrived just minutes after Carlos got to Queens with his team.
鈥淚nside they were seen laughing and joking with one another.
鈥淭hey seem very happy and relaxed with each other鈥
The pair are set to team up in the mixed doubles at the US Open in August 鈥 after Alcaraz asked Raducanu earlier in the year – but insiders have tipped their partnership to spill into romance.
鈥淚t wasn鈥檛 just the tennis lot who were talking about it. People who worked for the BBC and other broadcasters were all gossiping about it,鈥 a second source said.
鈥淭he only love being talked about was about Emma and Carlos.鈥
Spanish Alcaraz is favourite to win Wimbledon when the competition starts on June 30 after his come from behind win at the French Open earlier in the year.
But when asked about relationships, he said: 鈥淚 am single. I am looking for someone.
鈥淚t can be difficult as a tennis player to meet the right person because you are travelling all the time.鈥
The pair will compete together in August when they enter the US Open Mixed Doubles Championship as a team.
鈥淪he鈥檚 going to be the boss,鈥 Alcaraz said of Emma.
鈥淚鈥檓 super excited about it. I think it鈥檚 going to be great. It was an amazing idea for the tournament.
鈥淚 know Emma since a really long time ago.
鈥淚 have a really good relationship with her. It鈥檚 going to be interesting.
鈥淲e are both going to enjoy, for sure. I will try to put my doubles skill on it.
鈥淲e will try to win. But obviously it鈥檚 going to be really fun.鈥
Fans of the tennis champs are keen for them to get together too, with comments on Raducanu鈥檚 last Instagram post inundated with comments about Alcaraz.
鈥淚鈥檓 here to read comments about Alcaraz,鈥 one fan joked.
鈥淔uture Emma Alcaraz,鈥 another added.
This story originally appeared on The Sun and is republished here with permission.