The Ghanaian target came on as a substitute to replace Gabriel Jesus in the game.
Nketiah scored the final goal in the 87th minute after he slotted home a pass from Gabriel Martinelli.
Bukayo Saka broke the deadlock for Arsenal 10 minutes into the match and later scored his second goal to get a brace.
Brazilian forward Gabriel Jesus scored a hat trick for the Gunners to grab the headlines. The former Manchester City striker has been in top form in pre-season since his arrival.
The win is Arsenal’s last match before they take on Crystal Palace in the first match of the 2022/2023 Premier League season.
