Ararat-Armenia v Shamrock Rovers
Ararat-Armenia 4 to go 
Shamrock Rovers 5 to go Ararat-Armenia's crowd is one fan strong so far, gathered around a 4-3-3 that had Artur Serobyan and Sandro Lima up top. The data leans home: Ararat-Armenia or the draw.
Sabah FA v KuPS
Sabah FA 5 to go 
KuPS 5 to go Sabah FA and KuPS both set up in a 4-2-3-1 last season, Sabah with Aaron Malouda behind the striker and KuPS built around Gustav Engvall.
Call it first.
Aarhus v Lech Poznan
Aarhus 5 to go 
Lech Poznan 5 to go Lech Poznan finished last season in a 4-1-4-1 with Mikael Ishak as the lone striker. Aarhus have no reference lineup on file yet.
Call it first.
Fenerbahçe v Gornik Zabrze
Fenerbahçe 4 to go 
Gornik Zabrze 5 to go Fenerbahçe's reference XI is a 4-4-2 with Fred and Kerem Aktürkoglu in the attacking roles, and one early fan pick is already in. Górnik Zabrze arrive with a blank slate.
Call it first.
FC Thun v Dinamo Zagreb
FC Thun 5 to go 
Dinamo Zagreb 5 to go Dinamo Zagreb's last known XI was a 4-1-4-1 with Stipe Kulenovic leading the line. FC Thun's lineup picture is still blank.
Call it first.
Sturm Graz v Hearts
Sturm Graz 5 to go 
Hearts 5 to go Both sides closed last season in a 4-4-2: Sturm Graz with Otar Kiteishvili pulling the strings in midfield, Hearts built around Lawrence Shankland up front.
Call it first.
KI Klaksvik v Kauno Žalgiris
KI Klaksvik 5 to go 
Kauno Žalgiris 5 to go KI Klaksvik's last XI was a 4-2-3-1 featuring Pall Klettskard in attack; Kauno Zalgiris ran a 4-1-4-1 with Tomas Svedkauskas leading the line.
Call it first.
Levski Sofia v Universitatea Craiova
Levski Sofia 5 to go 
Universitatea Craiova 5 to go Levski Sofia's last lineup was a 4-2-3-1 with Reinaldo and Everton Bala forward, and the data backs the hosts: Levski or the draw. Universitatea Craiova countered in a 3-4-3 led by Assad Al-Hamlawi.
KuPS v Sabah FA
KuPS 5 to go Sabah FA 5 to go The reverse of the Sabah tie. Both sides keep their familiar 4-2-3-1 shapes, with Jaime Moreno and Joy Lance Mickels among the front options.
Call it first.
Dinamo Zagreb v FC Thun
Dinamo Zagreb 5 to go FC Thun 5 to go The return leg in Zagreb. Dinamo's 4-1-4-1 with Stipe Kulenovic up top remains the reference point; there are still no predictions on file for Thun.
Call it first.
Hearts v Sturm Graz
Hearts 5 to go Sturm Graz 5 to go Hearts and Sturm Graz meet again, both still carrying last season's 4-4-2 shapes, Lawrence Shankland and Otar Kiteishvili the respective focal points.
Call it first.
Shamrock Rovers v Ararat-Armenia
Shamrock Rovers 5 to go Ararat-Armenia 5 to go Shamrock Rovers host the return in their familiar 3-5-2 with Graham Burke and Jack Byrne prominent. Ararat-Armenia ran a 4-3-3 last time out.
Kauno Žalgiris v KI Klaksvik
Kauno Žalgiris 5 to go KI Klaksvik 5 to go Kauno Zalgiris and KI Klaksvik run it back: Kauno's 4-1-4-1 around Tomas Svedkauskas, Klaksvik's 4-2-3-1 with Pall Klettskard.
Call it first.
Lech Poznan v Aarhus
Lech Poznan 5 to go Aarhus 5 to go Lech Poznan host the return in their 4-1-4-1 with Mikael Ishak leading the attack. Aarhus still have no lineup reference logged.
Call it first.
Universitatea Craiova v Levski Sofia
Universitatea Craiova 5 to go Levski Sofia 5 to go Universitatea Craiova host in their 3-4-3 with Assad Al-Hamlawi up front. Levski Sofia's reference XI is the 4-2-3-1 with Reinaldo and Everton Bala forward.
Gornik Zabrze v Fenerbahçe
Gornik Zabrze 5 to go Fenerbahçe 5 to go Fenerbahçe take their 4-4-2, with Fred and Kerem Aktürkoglu the familiar names, to Gornik Zabrze for the away leg.
Call it first.