The Spaniard has been linked—at least playfully—by fans to fellow tennis star Emma Raducanu, especially after the news broke that the two will be teaming up for mixed doubles at this year’s US Open. Now, with the pair spotted training together ahead of the tournament, the speculation has only grown louder.

The much-hyped pairing of Carlos Alcaraz and Emma Raducanu was bounced in the first round of the new U.S. Open mixed doubles event on Tuesday.

The tennis world has gone into a frenzy after Carlos Alcaraz and Emma Raducanu teamed up at the US Open, as rumors continue to swirl that they may be the sport’s newest power couple.