For the Salah al-Hajah, does a person need to make fresh wudhu or can he pray this nafl salah after Zuhr namaz with the same wudhu?
بسم الله الرحمن الرحيم
There is no need to make fresh wudhu to offer Salah al-Hajah, even you may offer it with the wudhu of Zuhr as well.
Allah knows Best!
Darul Uloom Deoband