Jannik Sinner has won three of his last five matches. This is his sixth appearance at Wimbledon. In the opening rounds, Sinner defeated Nardi and Vukic in straight sets.

That's instead of Friday's price of nearly $220 for the best seats at the grass-court Grand Slam tournament's biggest stadium.

It might just be the best deal in all of major professional sports: Tennis fans can get a chance to watch stars such as ...