There is no specific du‘aa’ for each day and night of Ramadan

No File Exists
Check below answers in case you are looking for other related questions:
Time of du’aa’ when breaking fast
Weakness of a hadeeth about the virtues of Ramadaan

No File Exists
Related Answers:
Du’aa’ of the fasting person when breaking his fast
It is essential to verify stories before narrating them and spreading them
Is this hadeeth saheeh: “My Lord taught me good manners and He taught me well”?
Time of du’aa’ when breaking fast
Weakness of a hadeeth about the virtues of Ramadaan

Recommended answers for you:
Description of al-hoor al-‘iyn in the Qur’aan and Sunnah
Fasting in the month of Rajab
Can the Prophet (peace and blessings of Allaah be upon him) hear those who call upon him when he is in his grave?
Backbiting (Gheebah) and its Expiation
The virtues of Ramadaan