First pitch is 6:45 PM ET on Monday, June 22, and the standings tell you everything you need to know about why this one matters more than your average late-June NL East game. The Phillies are 40-35 and slipping. The Nationals are 39-36 and surging. One game in the loss column separates them, and four games at Nationals Park could swing the division math in a hurry. Philly comes in losing 3 of its last 5, including a 12-4 thumping from the Marlins and a 6-4 drop to the Mets to open last week. Trea Turner has been the storyline — he left the Marlins series with a bruised wrist, returned, then exited the Mets opener after taking a sweeper off the leg. He's listed day-to-day and was penciled in to start at short, but it's been a brutal stretch and his slash line over the last 14 games reflects it. The Nationals, meanwhile, are riding the best stretch of the Blake Butera era. They ripped off 4 straight against the Mariners and Royals before dropping the Kansas City finale 6-2, and at one point sat 3 games over .500 for the first time since the 2019 title run. James Wood has been playing at a borderline absurd level, and Dylan Crews is back up from Triple-A and contributing to the offense. This is not the 100-loss Nats anymore. Injury-wise, both clubs are leaning on depth. Washington's rotation has been gutted — Jake Irvin is shut down, Trevor Williams is on the 60-day, DJ Herz is still rehabbing — which is why the Nats have had to live and die with their bullpen. Philly lost Adolis Garcia for the year to lat surgery and Johan Rojas to a UCL tear, on top of the day-to-day situations in the infield. Stakes-wise, this is exactly the kind of series the Phillies cannot sleepwalk through. The Nationals are no longer the get-right opponent on the schedule, and a road sweep in the other direction would shove Washington above Philly in the standings before July. Butera's group has earned the right to be taken seriously. The Phillies have to remember they're supposed to be the favorite.