FC Ararat-Armenia 1-2 Aris Salonica *
| 03.08.2023 | Aris Salonica | 1-0 | FC Ararat-Armenia | |
| 27.07.2023 | FC Ararat-Armenia | 1-1 | Aris Salonica | |
*B36 Torshavn 3-2 Haverfordwest
| 03.08.2023 | Haverfordwest | 1-1 AET | B36 Torshavn | |
| 27.07.2023 | B36 Torshavn | 2-1 | Haverfordwest | |
*PAOK Salonica 4-1 Beitar Jerusalem
| 03.08.2023 | Beitar Jerusalem | 1-4 | PAOK Salonica | |
| 27.07.2023 | PAOK Salonica | 0-0 | Beitar Jerusalem | |
*Besiktas JK 5-1 KF Tirana
| 03.08.2023 | KF Tirana | 0-2 | Besiktas JK | |
| 27.07.2023 | Besiktas JK | 3-1 | KF Tirana | |
*Austria Wien 3-1 Borac Banja Luka
| 03.08.2023 | Borac Banja Luka | 1-2 | Austria Wien | |
| 27.07.2023 | Austria Wien | 1-0 | Borac Banja Luka | |
*Celje 4-4 Vitória Guimarães
| 03.08.2023 | Vitória Guimarães | 0-1/p.2-4 | Celje | |
| 27.07.2023 | Celje | 3-4 | Vitória Guimarães | |
CFR Cluj 2-3 Adana Demirspor *
| 03.08.2023 | Adana Demirspor | 2-1 | CFR Cluj | |
| 27.07.2023 | CFR Cluj | 1-1 | Adana Demirspor | |
*Club Brugge 3-1 AGF Aarhus
| 03.08.2023 | AGF Aarhus | 1-0 | Club Brugge | |
| 27.07.2023 | Club Brugge | 3-0 | AGF Aarhus | |
CSKA Sofia 0-6 Sepsi OSK *
| 03.08.2023 | Sepsi OSK | 4-0 | CSKA Sofia | |
| 27.07.2023 | CSKA Sofia | 0-2 | Sepsi OSK | |
Alashkert Martuni 2-2 Debrecen VSC *
| 03.08.2023 | Debrecen VSC | 1-2/p.3-1 | Alashkert Martuni | |
| 27.07.2023 | Alashkert Martuni | 0-1 | Debrecen VSC | |
*Derry City 5-4 KuPS Kuopio
| 03.08.2023 | KuPS Kuopio | 3-3 | Derry City | |
| 27.07.2023 | Derry City | 2-1 | KuPS Kuopio | |
Differdange 4-5 Maribor *
| 03.08.2023 | Maribor | 4-3 AET | Differdange | |
| 27.07.2023 | Differdange | 1-1 | Maribor | |
*Viktoria Plzen 2-1 Drita FC
| 03.08.2023 | Drita FC | 1-2 | Viktoria Plzen | |
| 27.07.2023 | Viktoria Plzen | 0-0 | Drita FC | |
Dukagjini 1-7 HNK Rijeka *
| 03.08.2023 | HNK Rijeka | 6-1 | Dukagjini | |
| 27.07.2023 | Dukagjini | 0-1 | HNK Rijeka | |
FC Basel 3-4 Tobol Kostanay *
| 03.08.2023 | Tobol Kostanay | 1-2 | FC Basel | |
| 27.07.2023 | FC Basel | 1-3 | Tobol Kostanay | |
Djurgårdens IF 2-3 FC Luzern *
| 03.08.2023 | FC Luzern | 1-1 | Djurgårdens IF | |
| 27.07.2023 | Djurgårdens IF | 1-2 | FC Luzern | |
CSKA 1948 Sofia 2-4 FCSB *
| 03.08.2023 | FCSB | 3-2 | CSKA 1948 Sofia | |
| 26.07.2023 | CSKA 1948 Sofia | 0-1 | FCSB | |
*Fenerbahçe SK 9-0 Zimbru Chisinau
| 01.08.2023 | Zimbru Chisinau | 0-4 | Fenerbahçe SK | |
| 26.07.2023 | Fenerbahçe SK | 5-0 | Zimbru Chisinau | |
FK Auda 2-5 Spartak Trnava *
| 03.08.2023 | Spartak Trnava | 4-1 | FK Auda | |
| 27.07.2023 | FK Auda | 1-1 | Spartak Trnava | |
*FK Bodo/Glimt 7-2 Bohemians 1905
| 03.08.2023 | Bohemians 1905 | 2-4 | FK Bodo/Glimt | |
| 27.07.2023 | FK Bodo/Glimt | 3-0 | Bohemians 1905 | |
*Lech Poznan 5-2 FK Kauno Zalgiris
| 03.08.2023 | FK Kauno Zalgiris | 1-2 | Lech Poznan | |
| 27.07.2023 | Lech Poznan | 3-1 | FK Kauno Zalgiris | |
*Hapoel Be'er Sheva 2-1 FK Panevezys
| 03.08.2023 | FK Panevezys | 1-1 | Hapoel Be'er Sheva | |
| 27.07.2023 | Hapoel Be'er Sheva | 1-0 | FK Panevezys | |
*APOEL FC 4-2 FK Vojvodina
| 03.08.2023 | FK Vojvodina | 1-2 | APOEL FC | |
| 27.07.2023 | APOEL FC | 2-1 | FK Vojvodina | |
FK Zeljeznicar 2-4 Neftchi Baku *
| 03.08.2023 | Neftchi Baku | 2-0 | FK Zeljeznicar | |
| 27.07.2023 | FK Zeljeznicar | 2-2 | Neftchi Baku | |
Gabala FC 3-7 Omonia Nicosia *
| 03.08.2023 | Omonia Nicosia | 4-1 | Gabala FC | |
| 27.07.2023 | Gabala FC | 2-3 | Omonia Nicosia | |
*Gzira United 3-2 F91 Dudelange
| 02.08.2023 | F91 Dudelange | 2-1 | Gzira United | |
| 27.07.2023 | Gzira United | 2-0 | F91 Dudelange | |
*FC Twente 2-1 Hammarby IF
| 03.08.2023 | Hammarby IF | 1-1 AET | FC Twente | |
| 27.07.2023 | FC Twente | 1-0 | Hammarby IF | |
Inter d'Escaldes 3-7 Hibernian FC *
| 03.08.2023 | Hibernian FC | 6-1 | Inter d'Escaldes | |
| 27.07.2023 | Inter d'Escaldes | 2-1 | Hibernian FC | |
*KA Akureyri 5-3 Dundalk FC
| 03.08.2023 | Dundalk FC | 2-2 | KA Akureyri | |
| 27.07.2023 | KA Akureyri | 3-1 | Dundalk FC | |
*KAA Gent 10-3 MSK Zilina
| 03.08.2023 | MSK Zilina | 2-5 | KAA Gent | |
| 27.07.2023 | KAA Gent | 5-1 | MSK Zilina | |
FK Ordabasy 4-5 Legia Warszawa *
| 03.08.2023 | Legia Warszawa | 3-2 | FK Ordabasy | |
| 27.07.2023 | FK Ordabasy | 2-2 | Legia Warszawa | |
Shkupi 0-3 Levski Sofia *
| 03.08.2023 | Levski Sofia | 1-0 | Shkupi | |
| 27.07.2023 | Shkupi | 0-2 | Levski Sofia | |
*Maccabi Tel Aviv 5-0 Petrocub Hîncești
| 03.08.2023 | Petrocub Hîncești | 0-2 | Maccabi Tel Aviv | |
| 27.07.2023 | Maccabi Tel Aviv | 3-0 | Petrocub Hîncești | |
*Neman Grodno 2-0 Balzan FC
| 01.08.2023 | Balzan FC | 0-0 | Neman Grodno | |
| 26.07.2023 | Neman Grodno | 2-0 | Balzan FC | |
*NK Osijek 3-1 Zalaegerszegi TE
| 03.08.2023 | Zalaegerszegi TE | 1-2 | NK Osijek | |
| 27.07.2023 | NK Osijek | 1-0 | Zalaegerszegi TE | |
Linfield Belfast 4-8 Pogoń Szczecin *
| 03.08.2023 | Pogoń Szczecin | 3-2 | Linfield Belfast | |
| 27.07.2023 | Linfield Belfast | 2-5 | Pogoń Szczecin | |
*FC Midtjylland 3-2 Progrès Niedercorn
| 03.08.2023 | Progrès Niedercorn | 2-1 AET | FC Midtjylland | |
| 26.07.2023 | FC Midtjylland | 2-0 | Progrès Niedercorn | |
Kecskemeti TE 3-4 Riga FC *
| 03.08.2023 | Riga FC | 3-1 AET | Kecskemeti TE | |
| 27.07.2023 | Kecskemeti TE | 2-1 | Riga FC | |
Crusaders Belfast 4-5 Rosenborg BK *
| 03.08.2023 | Rosenborg BK | 3-2 AET | Crusaders Belfast | |
| 27.07.2023 | Crusaders Belfast | 2-2 | Rosenborg BK | |
Sutjeska Niksic 2-3 FC Santa Coloma *
| 03.08.2023 | FC Santa Coloma | 3-0 AET | Sutjeska Niksic | |
| 27.07.2023 | Sutjeska Niksic | 2-0 | FC Santa Coloma | |
Torpedo Kutaisi 3-5 FK Aktobe *
| 03.08.2023 | FK Aktobe | 1-2 | Torpedo Kutaisi | |
| 27.07.2023 | Torpedo Kutaisi | 1-4 | FK Aktobe | |
Torpedo Zhodino 3-4 AEK Larnaca *
| 02.08.2023 | AEK Larnaca | 1-1 | Torpedo Zhodino | |
| 27.07.2023 | Torpedo Zhodino | 2-3 | AEK Larnaca | |