Alex de Minaur's support for Carlos Alcaraz at the ATP Finals was playfully confirmed by his fiance, Katie Boulter. Both the Australian and the Spaniard are currently competing at the season-ending tournament, which is scheduled to conclude on November 16.Alcaraz contested for the semi-final spot in Turin against Lorenzo Musetti on November 14. The latter lost to the world no. 1, who claimed an impressive 6-4, 6-1 win. Ahead of this showdown, De Minaur had put his faith in Alcaraz, as his win would ensure his place in the last four. In an interview, the Aussie admitted that he was going to be Alcaraz's biggest fan during the latter's semi-final clash. In the context of this, amid the Spaniard's ongoing match, one of the X users shared a meme. They shared a short video of the world no. 7 cheering and wrote:"*Alcaraz goes 15-0 up in first game of the match* De Minaur in his hotel room:"His hopes of Alcaraz winning at the ATP Finals was playfully confirmed by his fiance, Boulter. She penned a three-word comment that read:"I can confirm."Katie Boulter @katiecboulterLINKI can confirmAlex de Minaur had a roller coaster experience at the 2025 ATP Finals, as he initially lost to Alcaraz and Musetti in the first and second group stages. With his consecutive losses, he was on the verge of elimination; however, his comeback against Taylor Fritz in the third group stage match brought him back in the game, keeping his semi-finals hopes alive.Up next, the Aussie will be facing Jannik Sinner in the semi-final round of the tournament.Alex de Minaur opened up about his shift in mindset after his win against Taylor Fritz After his loss against Lorenzo Musetti in the second group stage match at the ATP Finals, Alex de Minaur had hit one of the lowest points of his life. In his latest press conference, he revealed his mindset and how it turned after his win against Taylor Fritz. He shared how his fiance, Katie Boulter, and his team helped him to come out of a dark place. (as quoted by Olympics.com)"A couple of days ago was one of the toughest days I’ve had in my career. I was in a very, very dark spot. I could tell you that I hated the sport. Here we are two days later, and I’m feeling great about myself. It’s incredible. My team, even Katie [Boulter], they tried to talk some sense into me and get me out of a very dark place,” said Alex de Minaur.He added:"Sometimes when you’re in that place, you make peace with things. You start to care less about the result, and that lets you focus on other elements instead."In addition to this, he also spoke about his upcoming match against Jannik Sinner. Reflecting on their encounter at the Vienna Open, he exuded confidence even though the Italian had prevailed over him in their previous match.