Carlos Alcaraz dropped a major hint about the identity of the mysterious 'N' in his camera message during the 2024 Indian Wells Masters. Meanwhile, Novak Djokovic's wife Jelena gave a peek into her early days and university life in Milan.Rafael Nadal treated his fans to a glimpse of his claycourt training ahead of a potential Monte-Carlo Masters return. Caroline Wozniacki gushed over her relationship with Angelique Kerber after defeating the German in California.On that note, here's a quick recap of the day's biggest headlines:Carlos Alcaraz drops major hint about N's identityCarlos Alcaraz is currently playing at the 2024 Indian Wells Masters and has made it to the quarterfinals after scoring wins against Matteo Arnaldi, Felix Auger-Aliassime and Fabian Marozsan.After beating Auger-Aliassime in the third round, Alcaraz intrigued fans with a cryptic message he wrote on camera which read:"N See you soon!"Speculations quickly arose worldwide, with many connecting 'N' to Novak Djokovic, Jannik Sinner, Rafael Nadal and even Emma Raducanu. However, Alcaraz clarified things a little by writing 'Tudum' on the camera after his victory over Marozsan and encouraged everyone to "stay tuned.""Tudum! Stay tuned," the two-time Grand Slam champion wrote on X (formerly Twitter).Novak Djokovic's wife Jelena shares a peek into her university life in Milan View this post on Instagram Instagram PostNovak Djokovic's wife Jelena finished her undergraduate studies at Bocconi University in Milan, where she reportedly studied brand management.In an Instagram post, Jelena looked back at her recent visit to Milan, sharing the highlights of her trip. The university celebrated all their female alumni on March 8, International Women's Day, and Jelena's story, along with many others, was featured in a book titled 'Changed by Women'."Walk with me through the streets of Milano all the way to my first home abroad - Bocconi University and take a sneak peek at the campus and iconic lions where no student passes through until they graduate," she wrote."They published a book “Changed by Women” where they share 99 inspirational stories of women who followed their dream and changed the future. Among them is also my story," she added.Rafael Nadal shares glimpse of claycourt training ahead of potential Monte-Carlo Masters return View this post on Instagram Instagram PostRafael Nadal pulled out of the Indian Wells Masters before his first-round match against Milos Raonic, feeling he wasn't ready for a return to the ATP Tour just yet. His decision followed his involvement in an all-Spanish exhibition match in Las Vegas called the 'Netflix Slam' on March 3, where he played against Carlos Alcaraz.Nadal withdrew from the ATP Masters 1000 tournament but remained in California to practice on claycourts, albeit green. He shared the clips on Instagram, delighting his fans ahead of the Monte-Carlo Masters (April 6-14) where he entered the main draw with the help of his protected ranking.Caroline Wozniacki gushes over her friendship with Angelique Kerber after defeating the German in Indian WellsWozniacki (L) and Kerber pictured at the 2024 BNP Paribas OpenCaroline Wozniacki faced off against Angelique Kerber in the fourth round of Indian Wells. The Dane emerged victorious over the German and will now face Iga Swiatek in the quarterfinals on March 15.After her win against Kerber, Wozniacki attended a press conference and expressed her admiration for her friendship with the German, stating that it would last a lifetime."Yeah, I mean, we talk all the time, and I think that's a friendship that hopefully is going to last a lifetime. You know, we have known each other so many years. Obviously been competing against each other on the court but always been very good friends off the court," Wozniacki said.The former Australian Open champion, who is a mother of two, also shared how she supported Kerber during her pregnancy. The German welcomed her first child, a baby girl named Liana, in February last year."She's always just supportive of what I want to do and how I do things. I think, you know, kind of having my first child before her, you know, I think she had a lot of questions too about motherhood and stuff like that. So always happy to share what I know," Caroline Wozniacki said. "But again, you know, everyone is different and everyone goes through everything in a different way. You know, it's just nice to see her back on tour, as well, and thriving," she added.