World No. 1 Jannik Sinner has been playing like a man looking to make up for lost time. After missing Indian Wells, Miami, Monte Carlo, and Madrid last year due to suspension, he is close to a 4-for-4 run in 2026, with a potential title in Spain within reach. That would give him five titles on the trot at the 1000 level, dating back to Paris 2025. It’s truly been an impressive run, but success at this level isn’t without precedent. After all, it wasn’t so long ago that the “Big 4” of Novak Djokovic, Rafael Nadal, Roger Federer, and Andy Murray made nine of the biggest events on the ATP Tour their own personal playground, pulling off feats similar in weight to what Sinner is on the cusp of accomplishing. Here’s a look at several of those achievements. The ‘Golden’ Ticket Given that Djokovic is the all-time Masters title leader with 40, it might be hard to imagine that any venue ever vexed him.…