Match events
Minute by minute- 39'1–0 Goal: Matteo Politano Napoli
- 41' Yellow card: Leonardo Bonucci Union Berlin
- Half-time 1–0
- 52'1–1 Goal: David Datro Fofana Union Berlin
- 64' Substitution: Christopher TrimmelOff: Josip Juranovic Union Berlin
- 66' Yellow card: Paul Jaeckel Union Berlin
- 70' Substitution: Lucas TousartOff: Rani Khedira Union Berlin
- 70' Substitution: Alex KrálOff: Aïssa Laïdouni Union Berlin
- 75' Yellow card: Lucas Tousart Union Berlin
- 77' Substitution: Mathías OliveraOff: Mário Rui Napoli
- 77' Substitution: Giovanni SimeoneOff: Stanislav Lobotka Napoli
- 79' Substitution: Brenden AaronsonOff: Janik Haberer Union Berlin
- 80' Substitution: Robin GosensOff: Jérôme Roussillon Union Berlin
- 87' Substitution: Jesper LindstromOff: Matteo Politano Napoli
- 89' Yellow card: Giovanni Simeone Napoli
- 90+1' Substitution: Jens CajusteOff: Piotr Zielinski Napoli
Line-ups
Confirmed
Napoli4-3-33-4-1-2Union Berlin
- 1 Meret
- 677' Rui
- 3 Natan
- 13 Rrahmani
- 22 Di Lorenzo
- 2090+1' Zielinski
- 6877' Lobotka
- 99 Anguissa
- 77 Kvaratskhelia
- 81 Raspadori
- 2187' Politano
- 1 Ronnow
- 4 Leite
- 23 Bonucci
- 3 Jaeckel
- 2680' Roussillon
- 2070' Laïdouni
- 1979' Haberer
- 1864' Juranovic
- 870' Khedira
- 11 Fofana
- 27 Becker
Napoli bench
- 17Mathías Olivera77'
- 24Jens Cajuste90+1'
- 18Giovanni Simeone77'
- 29Jesper Lindstrom87'
Union Berlin bench
- 33Alex Král70'
- 6Robin Gosens80'
- 28Christopher Trimmel64'
- 7Brenden Aaronson79'
- 29Lucas Tousart70'