| New York Mets at Washington Nationals Thu, 05/21/2026 4:05 PM EDT | Thu, 05/21/2026 4:05 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| San Diego Padres at Washington Nationals (Taio Cruz Postgame Concert) Fri, 05/29/2026 6:45 PM EDT | Fri, 05/29/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| San Diego Padres at Washington Nationals (CJ Abrams Baseball Card Bobblehead Giveaway) Sat, 05/30/2026 4:05 PM EDT | Sat, 05/30/2026 4:05 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| San Diego Padres at Washington Nationals (Kids Racing Presidents Hat Giveaway) Sun, 05/31/2026 1:35 PM EDT | Sun, 05/31/2026 1:35 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Miami Marlins at Washington Nationals Mon, 06/01/2026 6:45 PM EDT | Mon, 06/01/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Miami Marlins at Washington Nationals Tue, 06/02/2026 6:45 PM EDT | Tue, 06/02/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Miami Marlins at Washington Nationals Wed, 06/03/2026 1:05 PM EDT | Wed, 06/03/2026 1:05 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Seattle Mariners at Washington Nationals Fri, 06/12/2026 6:45 PM EDT | Fri, 06/12/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Seattle Mariners at Washington Nationals Sat, 06/13/2026 4:05 PM EDT | Sat, 06/13/2026 4:05 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Seattle Mariners at Washington Nationals Sun, 06/14/2026 1:35 PM EDT | Sun, 06/14/2026 1:35 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Kansas City Royals at Washington Nationals Mon, 06/15/2026 6:45 PM EDT | Mon, 06/15/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Kansas City Royals at Washington Nationals (Historic Replica Jersey Giveaway) Tue, 06/16/2026 6:45 PM EDT | Tue, 06/16/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Kansas City Royals at Washington Nationals Wed, 06/17/2026 1:05 PM EDT | Wed, 06/17/2026 1:05 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Philadelphia Phillies at Washington Nationals Mon, 06/22/2026 6:45 PM EDT | Mon, 06/22/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Philadelphia Phillies at Washington Nationals (Nationals Basketball Jersey Giveaway) Tue, 06/23/2026 6:45 PM EDT | Tue, 06/23/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Philadelphia Phillies at Washington Nationals Wed, 06/24/2026 6:45 PM EDT | Wed, 06/24/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Philadelphia Phillies at Washington Nationals (Nationals Soccer Jersey Giveaway) Thu, 06/25/2026 6:45 PM EDT | Thu, 06/25/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Pittsburgh Pirates at Washington Nationals Fri, 07/03/2026 6:45 PM EDT | Fri, 07/03/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Pittsburgh Pirates at Washington Nationals Sat, 07/04/2026 11:05 AM EDT | Sat, 07/04/2026 11:05 AM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Pittsburgh Pirates at Washington Nationals (Nationals Patriotic Shirt Giveaway) Sun, 07/05/2026 1:35 PM EDT | Sun, 07/05/2026 1:35 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Houston Astros at Washington Nationals Mon, 07/06/2026 7:05 PM EDT | Mon, 07/06/2026 7:05 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Houston Astros at Washington Nationals Tue, 07/07/2026 6:45 PM EDT | Tue, 07/07/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Houston Astros at Washington Nationals Wed, 07/08/2026 6:45 PM EDT | Wed, 07/08/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| New York Yankees at Washington Nationals (Marvels Captain America Bobblehead Giveaway) Fri, 07/10/2026 6:45 PM EDT | Fri, 07/10/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| New York Yankees at Washington Nationals Sat, 07/11/2026 4:05 PM EDT | Sat, 07/11/2026 4:05 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| New York Yankees at Washington Nationals Sun, 07/12/2026 1:35 PM EDT | Sun, 07/12/2026 1:35 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Arizona Diamondbacks at Washington Nationals Fri, 07/24/2026 6:45 PM EDT | Fri, 07/24/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Arizona Diamondbacks at Washington Nationals (Harry Potter Day Tank Top Giveaway) Sat, 07/25/2026 4:05 PM EDT | Sat, 07/25/2026 4:05 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Arizona Diamondbacks at Washington Nationals (Kids Plush Keychain Giveaway) Sun, 07/26/2026 1:35 PM EDT | Sun, 07/26/2026 1:35 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Toronto Blue Jays at Washington Nationals Mon, 07/27/2026 6:45 PM EDT | Mon, 07/27/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Toronto Blue Jays at Washington Nationals Tue, 07/28/2026 6:45 PM EDT | Tue, 07/28/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Toronto Blue Jays at Washington Nationals Wed, 07/29/2026 1:05 PM EDT | Wed, 07/29/2026 1:05 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Cincinnati Reds at Washington Nationals Fri, 08/07/2026 6:45 PM EDT | Fri, 08/07/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Cincinnati Reds at Washington Nationals (Hawaiian Shirt and Shorts Set Giveaway) Sat, 08/08/2026 6:45 PM EDT | Sat, 08/08/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Cincinnati Reds at Washington Nationals (Kids Lunch Box Giveaway) Sun, 08/09/2026 12:10 PM EDT | Sun, 08/09/2026 12:10 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Chicago Cubs at Washington Nationals Tue, 08/11/2026 6:45 PM EDT | Tue, 08/11/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Chicago Cubs at Washington Nationals Wed, 08/12/2026 6:45 PM EDT | Wed, 08/12/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Chicago Cubs at Washington Nationals Thu, 08/13/2026 4:05 PM EDT | Thu, 08/13/2026 4:05 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Colorado Rockies at Washington Nationals Mon, 08/24/2026 6:45 PM EDT | Mon, 08/24/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Colorado Rockies at Washington Nationals Tue, 08/25/2026 6:45 PM EDT | Tue, 08/25/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Colorado Rockies at Washington Nationals Wed, 08/26/2026 6:45 PM EDT | Wed, 08/26/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Colorado Rockies at Washington Nationals Thu, 08/27/2026 1:05 PM EDT | Thu, 08/27/2026 1:05 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Miami Marlins at Washington Nationals Fri, 08/28/2026 6:45 PM EDT | Fri, 08/28/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Miami Marlins at Washington Nationals (James Wood Bobblehead Giveaway) Sat, 08/29/2026 4:05 PM EDT | Sat, 08/29/2026 4:05 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Miami Marlins at Washington Nationals Sun, 08/30/2026 12:10 PM EDT | Sun, 08/30/2026 12:10 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Miami Marlins at Washington Nationals Mon, 08/31/2026 6:45 PM EDT | Mon, 08/31/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Atlanta Braves at Washington Nationals Tue, 09/01/2026 6:45 PM EDT | Tue, 09/01/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Atlanta Braves at Washington Nationals Wed, 09/02/2026 1:05 PM EDT | Wed, 09/02/2026 1:05 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Los Angeles Angels at Washington Nationals Fri, 09/11/2026 6:45 PM EDT | Fri, 09/11/2026 6:45 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
| Los Angeles Angels at Washington Nationals Sat, 09/12/2026 4:05 PM EDT | Sat, 09/12/2026 4:05 PM EDT | Washington Nationals | Nationals Park | Washington | Flat | - |
