Calvin Betton is an ATP doubles coach. He works with Henry Patten & Harry Heliovaara who won Wimbledon in 2024, and Luke Johnson. I spoke with Calvin on the middle Sunday at the 2025 Australian Open.Calvin shares his work over the past year with Harri and Henry, including their run at Wimbledon. He breaks down the matchups, draw, and how he scouted their round 1 opponents incognito.After that, we dive into the growth of professional doubles. If you've listened to the podcast for a while, ...