| 1 | October 12, 2018 CET: 19:00 | Zalgiris Kaunas ZAL | 79-87 | KIROLBET Baskonia Vitoria Gasteiz BKN |
| 2 | October 17, 2018 CET: 20:45 | KIROLBET Baskonia Vitoria Gasteiz BKN | 80-85 | Olympiacos Piraeus OLY |
| 3 | October 19, 2018 CET: 21:00 | Real Madrid RMB | 97-79 | KIROLBET Baskonia Vitoria Gasteiz BKN |
| 4 | October 25, 2018 CET: 20:00 | FC Bayern Munich BAY | 77-71 | KIROLBET Baskonia Vitoria Gasteiz BKN |
| 5 | November 01, 2018 CET: 18:30 | KIROLBET Baskonia Vitoria Gasteiz BKN | 82-56 | Darussafaka Istanbul DAC |
| 6 | November 09, 2018 CET: 20:30 | KIROLBET Baskonia Vitoria Gasteiz BKN | 72-74 | Fenerbahce Istanbul FBD |
| 7 | November 15, 2018 CET: 19:00 | Buducnost VOLI Podgorica POD | 99-84 | KIROLBET Baskonia Vitoria Gasteiz BKN |
| 8 | November 21, 2018 CET: 20:45 | AX Armani Exchange Olimpia Milan AXM | 93-90 | KIROLBET Baskonia Vitoria Gasteiz BKN |
| 9 | November 23, 2018 CET: 20:30 | KIROLBET Baskonia Vitoria Gasteiz BKN | 86-77 | Panathinaikos Athens PAO |
| 10 | November 30, 2018 CET: 18:30 | Anadolu Efes Istanbul EFS | 96-85 | KIROLBET Baskonia Vitoria Gasteiz BKN |
| 11 | December 07, 2018 CET: 20:30 | KIROLBET Baskonia Vitoria Gasteiz BKN | 76-73 | CSKA Moscow CSK |
| 12 | December 13, 2018 CET: 20:05 | Maccabi FOX Tel Aviv MTA | 79-81 | KIROLBET Baskonia Vitoria Gasteiz BKN |
| 13 | December 18, 2018 CET: 21:30 | Herbalife Gran Canaria HGC | 71-84 | KIROLBET Baskonia Vitoria Gasteiz BKN |
| 14 | December 20, 2018 CET: 21:00 | KIROLBET Baskonia Vitoria Gasteiz BKN | 70-77 | FC Barcelona Lassa FCB |
| 15 | December 27, 2018 CET: 18:00 | Khimki Moscow Region KHI | 77-85 | KIROLBET Baskonia Vitoria Gasteiz BKN |
| 16 | January 04, 2019 CET: 18:45 | Fenerbahce Istanbul FBD | 96-87 | KIROLBET Baskonia Vitoria Gasteiz BKN |
| 17 | January 08, 2019 CET: 20:00 | Olympiacos Piraeus OLY | 91-87 | KIROLBET Baskonia Vitoria Gasteiz BKN |
| 18 | January 11, 2019 CET: 20:30 | KIROLBET Baskonia Vitoria Gasteiz BKN | 83-66 | Herbalife Gran Canaria HGC |
| 19 | January 18, 2019 CET: 21:00 | KIROLBET Baskonia Vitoria Gasteiz BKN | 80-75 | AX Armani Exchange Olimpia Milan AXM |
| 20 | January 25, 2019 CET: 18:15 | Darussafaka Istanbul DAC | 80-75 | KIROLBET Baskonia Vitoria Gasteiz BKN |
| 21 | January 31, 2019 CET: 20:45 | KIROLBET Baskonia Vitoria Gasteiz BKN | 97-73 | Maccabi FOX Tel Aviv MTA |
| 22 | February 08, 2019 CET: 20:30 | KIROLBET Baskonia Vitoria Gasteiz BKN | 76-68 | FC Bayern Munich BAY |
| 23 | February 21, 2019 CET: 21:00 | FC Barcelona Lassa FCB | 77-67 | KIROLBET Baskonia Vitoria Gasteiz BKN |
| 24 | February 28, 2019 CET: 20:30 | KIROLBET Baskonia Vitoria Gasteiz BKN | 80-73 | Zalgiris Kaunas ZAL |
| 25 | March 08, 2019 CET: 20:30 | KIROLBET Baskonia Vitoria Gasteiz BKN | 104-86 | Khimki Moscow Region KHI |
| 26 | March 15, 2019 CET: 20:30 | KIROLBET Baskonia Vitoria Gasteiz BKN | 82-62 | Buducnost VOLI Podgorica POD |
| 27 | March 20, 2019 CET: 20:00 | Panathinaikos Athens PAO | 72-70 | KIROLBET Baskonia Vitoria Gasteiz BKN |
| 28 | March 22, 2019 CET: 20:30 | KIROLBET Baskonia Vitoria Gasteiz BKN | 86-76 | Real Madrid RMB |
| 29 | March 29, 2019 CET: 20:30 | KIROLBET Baskonia Vitoria Gasteiz BKN | 92-102 | Anadolu Efes Istanbul EFS |
| 30 | April 04, 2019 CET: 19:00 | CSKA Moscow CSK | 82-78 | KIROLBET Baskonia Vitoria Gasteiz BKN |
