Porto may only need a point at home to Dynamo Kyiv to go through but Julen Lopetegui warned they "have not achieved anything yet" as their visitors seek victory.
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- Porto are through if they get a draw while Dynamo need victory should Chelsea win
- Julen Lopetegui: Porto "have not achieved anything yet"
- Dynamo have claimed just five victories in their last 35 group stage games
- The Ukrainian side grabbed a last-gasp 2-2 draw at home to Porto on matchday one
- Portuguese side unbeaten in all competitions this season (W11 D4)
Porto: Casillas; Maxi Pereira, Marcano, Martins Indi, Layún; Danilo, Rúben Neves, Imbula; André André, Aboubakar, Brahimi.
Out: Maicon (thigh)
Dynamo Kyiv: Shovkovskiy; Danilo Silva, Dragovic, Khacheridi, Antunes; Rybalka, Sydorchuk, Garmash, González, Yarmolenko; Kravets.
Out: Vida (unspecified), Morozyuk (illness)
Julen Lopetegui, Porto coach
We go into this match thinking we have not achieved anything yet. Tomorrow we will face a good team at a collective level, with a lot of good players and a lot of them part of the Ukrainian national team. They play good football. We played well at their place but couldn't get the win.
We have to give our best both defensively and in attack – to play at our limit – to get a good result. We take it game by game, and tomorrow is the most important match we have, so we will approach it with confidence, knowing that when we do things well, we can put on a good show and get the win.
Serhiy Rebrov, Dynamo coach
In the first match against Porto we were not at our best, we had some defensive flaws, but I briefed the players on what they could do to improve and they are ready. Our president has said this is the most important game of the season for us, but if things do not go as expected the world will not end. We will do our best.
We have analysed Porto and found some weak spots so we will try to take advantage of them. [Vincent] Aboubakar is a top player but there are other good players on the pitch, and that is who we will play against – the team, not a player.
Agrense 0-2 Porto (Bueno 14 40)
The Dragons cruised into the last 16 of the Portuguese Cup – this was their 400th game in the competition – thanks to a comfortable success in the Azores against third-tier opposition.
Olimpik Donetsk 0-3 Dynamo Kyiv (Júnior Moraes 25, Garmash 45+1, Gusev 70pen)
Dynamo have won four consecutive matches without conceding in domestic competition since the 3-0 home loss to Shakhtar on 16 October that ended their 38-game unbeaten run in Ukraine's Premier-Liha
Form guide (all competitions, most recent first)
Dynamo Kyiv: WWLWWD
Did you know?
The teams have met on seven occasions, all in the European Cup, and were twice paired in the group stage in recent seasons. They each won away in 2008/09, before Porto prevailed 3-2 at home and drew 0-0 away in 2012/13. Find out more in our match background.