2005 Washington Nationals season Game log July

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| July 1 | @ Chicago Cubs | 4-3 | Prior (5-2) | 38973 | 48-31 |
| July 2 | @ Chicago Cubs | 4-2 | Williams (1-3) | 40488 | 49-31 |
| July 3 | @ Chicago Cubs | 5-4 (12) | Mitre (2-4) | 40006 | 50-31 |
| July 4 | New York Mets | 2-5 | Kim (1-1) | 44331 | 50-32 |
| July 5 | New York Mets | 3-2 | Martínez (9-3) | 35087 | 51-32 |
| July 6 | New York Mets | 3-5 | Hernández (12-3) | 38148 | 51-33 |
| July 7 | New York Mets | 2-3 (11) | Ayala (7-5) | 44492 | 51-34 |
| July 8 | @ Philadelphia Phillies | 8-7 | Tejeda (3-2) | 44688 | 52-34 |
| July 9 | @ Philadelphia Phillies | 0-1 | Carrasco (3-2) | 33365 | 52-35 |