“Carlos Alcaraz or Jannik Sinner will win the calendar Grand Slam" - Mats Wilander makes his 'very bold prediction' for 2025

Mats Wilander recently made a "bold prediction" that either Carlos Alcaraz or Jannik Sinner will achieve the Calendar Grand Slam in 2025. This involves winning all four Majors, the Australian Open, French Open, Wimbledon Championships, and the US Open in a single calendar year.

Sinner has won two Grand Slam titles and an impressive 17 singles titles on the ATP Tour, including four Masters 1000 titles to date. He won both the Majors In 2024 - he emerged victorious at the Australian Open by defeating Daniil Medvedev in the final and won the US Open by triumphing over Taylor Fritz.

Alcaraz, on the other hand, has claimed four Grand Slam titles and 16 ATP tour-level singles titles, including five ATP Masters 1000 titles so far in his career. His first Grand Slam title came in 2022 at the US Open, where he defeated Casper Ruud in the final.

The former World No.1 has two Wimbledon titles to his name, having won in 2023 and 2024 by defeating Novak Djokovic on both occasions. He also secured the French Open title this year by defeating Alexander Zverev in the final

Recently while speaking to Eurosport, Mats Wilander shared his predictions for the upcoming 2025 season. He stated that either Carlos Alcaraz or Jannik Sinner has the potential to achieve the Calendar Grand Slam.

“My very, very, very bold prediction for 2025 is that Carlos Alcaraz or Jannik Sinner will win the calendar Grand Slam," Wilander said.

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Carlos Alcaraz & Jannik Sinner will begin their 2025 season at the Australian Open

Jannik Sinner & Carlos Alcaraz at the 2024 Six Kings Slam [Image Source: Getty Images]

Carlos Alcaraz and Jannik Sinner will kick off their 2025 season at the Australian Open. Neither player will participate in any warm-up tournaments leading up to the Melbourne Major.

Alcaraz's best performance at the Australian Open was in 2024 when he reached the quarterfinals before being defeated by Alexander Zverev. Along the way, he defeated Richard Gasquet in the first round and Lorenzo Sonego in the second.

The Spaniard then went on to overcome Shang Juncheng and Miomir Kecmanovic in the third and fourth rounds, respectively, before facing Zverev in the quarterfinals.

Meanwhile, Jannik Sinner will be returning to defend his title at the 2025 Australian Open. This year, he defeated the likes of Botic van de Zandschulp, Jesper de Jong, Sebastian Baez, and Karen Khachanov in the first four rounds.

In the quarterfinals, the World No.1 triumphed over Andrey Rublev, then defeated record 10-time Melbourne Major winner Novak Djokovic in the semifinals. In the finals, Sinner registered a win over Daniil Medvedev to claim his first Grand Slam title.