Derby secured their first victory on the road since returning to the Championship by defeating Coventry 2-1 at the CBS Arena.
Jerry Yates broke the deadlock for the Rams and later provided the assist that led to an own goal scored by Bobby Thomas.
Tatsuhiro Sakamoto reduced the deficit for Coventry with 13 minutes remaining, but they were unable to find an equalizer in the closing stages.
Jack Rudoni's mistake gifted Derby the opening goal in the 11th minute, as his misplaced pass was seized upon by Yates who calmly rounded Oliver Dovin to score his second goal of the season.
Derby came with a defensive mindset and successfully executed their game plan, highlighted by Eiran Cashin receiving a yellow card for time-wasting in the 34th minute.
Paul Warne made five changes to the team, switching to a 3-5-2 formation, with Nathaniel Phillips joining the back three and Callum Elder replacing Craig Forsyth.
Newcomers Kenzo Gougmijn and Liam Thompson started in midfield, while Dajaune Brown partnered Yates in the attack.
Coventry struggled to adapt to Derby's tactical adjustment and appeared a shadow of the team that recently defeated Middlesbrough and staged a comeback against Luton.
It took Coventry 41 minutes to register their first shot on goal, with Haji Wright squandering an opportunity from close range after a corner kick.
Mark Robins brought on Ephron Mason-Clark, whose forward play almost resulted in an equalizer, but a crucial tackle denied Sakamoto a chance to score.
Derby introduced Nathaniel Mendez-Laing to inject pace into their attack, and his delivery nearly set up Yates for a second goal.
The Rams extended their lead in the 73rd minute when Yates provided a cross that was inadvertently turned into the net by Thomas under pressure from Mendez-Laing.
Coventry managed to pull a goal back shortly after through Sakamoto, who found space at the edge of the box and fired a low shot past Jacob Zetterstrom.
Coventry pushed for an equalizer in the final minutes, with Eccles missing a chance by lifting his effort over the crossbar.
Wright failed to connect properly with a header from a dangerous cross, and his attempt drifted wide of the goal.