Naib, 21, hit a 93-ball 100. He added 93 with Mirwais Ashraf who made 37 as the pair guided Afghanistan to 207-9 in their 50 overs.
Pakistan ‘A’ knocked off the required runs in 41.3 overs.
The two teams play a Twenty20 here today.
Inside photos from Manish Malhotra's star-studded birthday bash
Photos: Shah Rukh Khan at 'Raees' trailer screening in Mumbai
Photos: Katrina Kaif at an event in Mumbai
Photos: Imran Khan and wife Avantika at Mumbai airport
Photos: Former Tamil Nadu Chief Minister Jayalalithaa's final journey
Bollynews Fatafat: Did Alia deserve the Best Actress award?
Here are some amazing fitness tips from Kajol
Iulia Vantur and Himesh Reshammiya's single 'Every Night And Day' launched!
Bollynews Fatafat: Shraddha goes for a 1.5 Lakh tiffin to lose weight!