| 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 | - |
| Washington Nationals at Atlanta Braves Fri, 05/22/2026 7:15 PM EDT | Fri, 05/22/2026 7:15 PM EDT | Atlanta Braves | Truist Park | Atlanta | Flat | - |
| Washington Nationals at Atlanta Braves Sat, 05/23/2026 4:10 PM EDT | Sat, 05/23/2026 4:10 PM EDT | Atlanta Braves | Truist Park | Atlanta | Flat | - |
| Washington Nationals at Atlanta Braves Sun, 05/24/2026 4:10 PM EDT | Sun, 05/24/2026 4:10 PM EDT | Atlanta Braves | Truist Park | Atlanta | Flat | - |
| Washington Nationals at Cleveland Guardians (City Connect Plush Blanket Giveaway) Mon, 05/25/2026 6:10 PM EDT | Mon, 05/25/2026 6:10 PM EDT | Cleveland Guardians | Progressive Field | Cleveland | Flat | - |
| Washington Nationals at Cleveland Guardians Mon, 05/25/2026 6:10 PM EDT | Mon, 05/25/2026 6:10 PM EDT | Cleveland Guardians | Progressive Field | Cleveland | Flat | - |
| Washington Nationals at Cleveland Guardians Tue, 05/26/2026 6:10 PM EDT | Tue, 05/26/2026 6:10 PM EDT | Cleveland Guardians | Progressive Field | Cleveland | Flat | - |
| Washington Nationals at Cleveland Guardians Tue, 05/26/2026 6:10 PM EDT | Tue, 05/26/2026 6:10 PM EDT | Cleveland Guardians | Progressive Field | Cleveland | Flat | - |
| Washington Nationals at Cleveland Guardians Wed, 05/27/2026 1:10 PM EDT | Wed, 05/27/2026 1:10 PM EDT | Cleveland Guardians | Progressive Field | Cleveland | Flat | - |
| Washington Nationals at Cleveland Guardians Wed, 05/27/2026 1:10 PM EDT | Wed, 05/27/2026 1:10 PM EDT | Cleveland Guardians | Progressive Field | Cleveland | 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 | - |
| Washington Nationals at Arizona Diamondbacks Fri, 06/05/2026 6:40 PM MST | Fri, 06/05/2026 6:40 PM MST | Arizona Diamondbacks | Chase Field | Phoenix | Flat | - |
| Washington Nationals at Arizona Diamondbacks Fri, 06/05/2026 6:40 PM MST | Fri, 06/05/2026 6:40 PM MST | Arizona Diamondbacks | Chase Field | Phoenix | Flat | - |
| Washington Nationals at Arizona Diamondbacks Sat, 06/06/2026 1:10 PM MST | Sat, 06/06/2026 1:10 PM MST | Arizona Diamondbacks | Chase Field | Phoenix | Flat | - |
| Washington Nationals at Arizona Diamondbacks Sat, 06/06/2026 1:10 PM MST | Sat, 06/06/2026 1:10 PM MST | Arizona Diamondbacks | Chase Field | Phoenix | Flat | - |
| Washington Nationals at Arizona Diamondbacks Sun, 06/07/2026 12:00 AM MST | Sun, 06/07/2026 12:00 AM MST | Arizona Diamondbacks | Chase Field | Phoenix | Flat | - |
| Washington Nationals at Arizona Diamondbacks Sun, 06/07/2026 12:15 PM MST | Sun, 06/07/2026 12:15 PM MST | Arizona Diamondbacks | Chase Field | Phoenix | Flat | - |
| Washington Nationals at Arizona Diamondbacks Sun, 06/07/2026 1:10 PM MST | Sun, 06/07/2026 1:10 PM MST | Arizona Diamondbacks | Chase Field | Phoenix | Flat | - |
| Washington Nationals at San Francisco Giants Mon, 06/08/2026 6:45 PM PDT | Mon, 06/08/2026 6:45 PM PDT | San Francisco Giants | Oracle Park | San Francisco | Flat | - |
| Washington Nationals at San Francisco Giants Mon, 06/08/2026 6:45 PM PDT | Mon, 06/08/2026 6:45 PM PDT | San Francisco Giants | Oracle Park | San Francisco | Flat | - |
| Washington Nationals at San Francisco Giants Tue, 06/09/2026 6:45 PM PDT | Tue, 06/09/2026 6:45 PM PDT | San Francisco Giants | Oracle Park | San Francisco | Flat | - |
| Washington Nationals at San Francisco Giants Tue, 06/09/2026 6:45 PM PDT | Tue, 06/09/2026 6:45 PM PDT | San Francisco Giants | Oracle Park | San Francisco | Flat | - |
| Washington Nationals at San Francisco Giants Wed, 06/10/2026 12:45 PM PDT | Wed, 06/10/2026 12:45 PM PDT | San Francisco Giants | Oracle Park | San Francisco | Flat | - |
| Washington Nationals at San Francisco Giants Wed, 06/10/2026 12:45 PM PDT | Wed, 06/10/2026 12:45 PM PDT | San Francisco Giants | Oracle Park | San Francisco | 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 | - |
| Washington Nationals at Tampa Bay Rays Fri, 06/19/2026 7:10 PM EDT | Fri, 06/19/2026 7:10 PM EDT | Tampa Bay Rays | Tropicana Field | St. Petersburg | Flat | - |
| Washington Nationals at Tampa Bay Rays Fri, 06/19/2026 7:10 PM EDT | Fri, 06/19/2026 7:10 PM EDT | Tampa Bay Rays | Tropicana Field | St. Petersburg | Flat | - |
| Washington Nationals at Tampa Bay Rays Sat, 06/20/2026 4:10 PM EDT | Sat, 06/20/2026 4:10 PM EDT | Tampa Bay Rays | Tropicana Field | St. Petersburg | Flat | - |
| Washington Nationals at Tampa Bay Rays Sat, 06/20/2026 4:10 PM EDT | Sat, 06/20/2026 4:10 PM EDT | Tampa Bay Rays | Tropicana Field | St. Petersburg | Flat | - |
| Washington Nationals at Tampa Bay Rays Sun, 06/21/2026 1:40 PM EDT | Sun, 06/21/2026 1:40 PM EDT | Tampa Bay Rays | Tropicana Field | St. Petersburg | Flat | - |
| Washington Nationals at Tampa Bay Rays Sun, 06/21/2026 1:40 PM EDT | Sun, 06/21/2026 1:40 PM EDT | Tampa Bay Rays | Tropicana Field | St. Petersburg | 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 | - |
| Washington Nationals at Baltimore Orioles (Pride Night Jersey Giveaway) Fri, 06/26/2026 7:05 PM EDT | Fri, 06/26/2026 7:05 PM EDT | Baltimore Orioles | Oriole Park at Camden Yards | Baltimore | Flat | - |
| Washington Nationals at Baltimore Orioles (Pride Night Jersey Giveaway) Fri, 06/26/2026 7:05 PM EDT | Fri, 06/26/2026 7:05 PM EDT | Baltimore Orioles | Oriole Park at Camden Yards | Baltimore | Flat | - |
| Washington Nationals at Baltimore Orioles (Gunnar Henderson Bobblehead Giveaway) Sat, 06/27/2026 7:05 PM EDT | Sat, 06/27/2026 7:05 PM EDT | Baltimore Orioles | Oriole Park at Camden Yards | Baltimore | Flat | - |
| Washington Nationals at Baltimore Orioles (Gunnar Henderson Bobblehead Giveaway) Sat, 06/27/2026 7:05 PM EDT | Sat, 06/27/2026 7:05 PM EDT | Baltimore Orioles | Oriole Park at Camden Yards | Baltimore | Flat | - |
| Washington Nationals at Baltimore Orioles (Beach Towel Giveaway) Sun, 06/28/2026 1:35 PM EDT | Sun, 06/28/2026 1:35 PM EDT | Baltimore Orioles | Oriole Park at Camden Yards | Baltimore | Flat | - |
