He did not drop a set in his first Eastbourne appearance and the 12-time Grand Slam champion eventually secured a 6-3 6-4 win.
Ancic is only expected to come on board with Djokovic temporarily as he could not set aside more time due to other work commitments.More news: Brazil leader defiant in face of possible charges
And now, Federer, who turns 36 in August, is poised to break the tie for seven Wimbledon titles he shares with Pete Sampras and take his career tally at the majors to 19.
The Czech world number three demonstrated once again just why, with her big serves and crushing groundstrokes, she could be the one to beat at Wimbledon over the next fortnight as she annexed her third title of the season.
"I am enjoying undoubtedly this week and the fact that I'm in the finals obviously makes it even better", Djokovic said.More news: Wildfires spread throughout 5 states forces evacuation of thousands
It was always going to be tricky for Wozniacki who played a tough sem-final against Britain's Heather Watson while Pliskova had the day off following the withdrawal of Johanna Konta.
Andy Murray begins his quest for a third Wimbledon title over the next fortnight after his triumphs in 2013 and previous year. Didn't get the trophy but I didn't do well in Wimbledon, so hopefully, I believe it can change with this trophy this year. Coming into Wimbledon, I'm hoping that I can continue in this path of raising the performance and the quality of tennis. "I'm just happy to be through to the final".
"Now it feels like it was a good decision", Djokovic said.More news: Sky not the force of old, says Tour rival Porte