Roger Federer brings his family to Taylor Swift’s Eras Tour in Switzerland

Roger Federer is a Swiftie!

The 42-year-old tennis pro was spotted with his wife Mirka and all four children — twin girls Myla and Charlene, 15, and twin sons Leo and Lenny, 10 — at Taylor Swift’s Eras tour in Zurich, Switzerland on Monday, July 8. The next day, the proud dad showed off the dozens of friendship bracelets on his wrist in his Instagram Stories.

An Eras Tour fan account on X shared a snap of the smiling couple embracing in the crowd, alongside Federer’s picture of his bracelet stack. “🚨| Roger Federer attended night 1 of Taylor Swift’s ‘The Eras Tour’ in Zurich, Switzerland!” #ZurichTSTheErasTour,” the post’s caption read.

Never miss a story — sign up for PEOPLE’s free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.

Another X-user also discovered the family at the concert and posted an enlarged photo of the Federer crew in the audience.

In June, the father of four told PEOPLE that his goal for this summer was to see Swift in concert with his children.

The PEOPLE Puzzler crossword puzzle is here! How fast can you solve it? Play now!

“We went to a lot of concerts last year,” he said, noting that it was so much fun to be on stage with Coldplay at their show in Zurich last summer.

“I didn’t sing, I just played a little shaker,” he said, laughing. “But we also saw (Bruce) Springsteen twice and Elton John. This summer Taylor Swift is coming to Switzerland, so of course we’re going, and ACDC too.”