Felix Zwayer is to officiate Wednesday's Champions League Group A Matchday 4 fixture between Napoli and Ajax.
The German referee will be assisted by Lupp and Achmuller, with Jablonski as fourth official and Osmers and Fritz on VAR duty.
Zwayer has overseen Champions League matches involving Napoli on two previous occasions:
- Shakhtar Donetsk 2-1 Napoli on 13 September 2017
- PSG 2-2 Napoli on 24 October 2018