The Acers have been in great form as they topped the table with 20 points, progressing to the final after defeating Chennai Smashers 4-3.
Mumbai, on the other hand, punched above their weight in the semifinals last night when they edged out title contenders Awadhe Warriors 3-0, who were led by world number 2 Saina Nehwal at the Gachibowli Indoor Stadium in Hyderabad.
However, in a format comprising two trump matches, fortunes fluctuated more quickly during the course of the tournament and Delhi know that past results would count little and they will have to bring their best to the table if they have to realise their dream of laying hands on the coveted title.
During their last clash, Delhi had won all the three singles and the men's doubles match, while Mumbai just won the mixed doubles match in the five-match tie.
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"Of course choosing the trump match will be crucial and it will have a big bearing on the result. In mixed doubles they have an edge. Also Han Li beat Saina last night so they are likely to field her in the women's singles tomorrow. But we have beaten them last time, so we just want to give our best," he added.
In the two men's singles, Tommy Sugiarto (Delhi) had thrashed HS Prannoy and Rajiv Ouseph had spanked RMV Gurusaidutt and it remains to be seen what the two Indian shuttlers produce when they take the court tomorrow.
Last time, Mumbai will once again depend on the experienced mixed doubles pair of Vladimir Ivanov and Kamilla Juhl to earn them points against Akshay Dewalkar and Aparna Balan like.
The men's doubles clash will be a mouth-watering one as despite their loss in the last outing against Delhi, the pair of Mathias Boe and Ivanov remains a formidable opponent.
"We have a formidable pair in Ivanov and Boe, we lost against them last time in men doubles but it was a close match and also our mixed doubles pair also had a good outing against them. Also it is a 15-point format and Trump match so anything can happen in this format," he said.