| L | Apr 8Apr 8, 2021 | POWER ELECTRONICS VALENCIA vs BASKONIAEuroLeague | EuroLeague | 17 | 2 | 1 | 0 | 0 | 55.6% | 100.0% |
| L | Apr 1Apr 1, 2021 | BASKONIA vs EFES PILSEN ISTANBULEuroLeague | EuroLeague | 21 | 4 | 3 | 0 | 0 | 66.7% | 100.0% |
| W | Mar 30Mar 30, 2021 | PANATHINAIKOS vs BASKONIAEuroLeague | EuroLeague | 25 | 4 | 5 | 3 | 0 | 69.2% | 75.0% |
| W | Mar 26Mar 26, 2021 | BASKONIA vs MILANOEuroLeague | EuroLeague | 14 | 7 | 3 | 2 | 2 | 41.7% | 100.0% |
| W | Mar 18Mar 18, 2021 | ZENIT ST PETERSBURG vs BASKONIAEuroLeague | EuroLeague | 12 | 6 | 1 | 2 | 0 | 50.0% | 100.0% |
| W | Mar 12Mar 12, 2021 | BASKONIA vs FC BAYERN MUNICHEuroLeague | EuroLeague | 15 | 3 | 2 | 2 | 0 | 41.7% | 75.0% |
| L | Mar 5Mar 5, 2021 | FC BARCELONA vs BASKONIAEuroLeague | EuroLeague | 11 | 1 | 0 | 2 | 0 | 45.5% | 0.0% |
| W | Mar 3Mar 3, 2021 | BASKONIA vs OLYMPIACOS PIRAEUS B.C.EuroLeague | EuroLeague | 18 | 1 | 3 | 1 | 0 | 70.0% | 50.0% |
| W | Feb 26Feb 26, 2021 | BASKONIA vs CRVENA ZVEZDA TELEKOM BELGRADEEuroLeague | EuroLeague | 14 | 3 | 1 | 1 | 0 | 62.5% | 100.0% |
| W | Feb 18Feb 18, 2021 | BC KHIMKI vs BASKONIAEuroLeague | EuroLeague | 13 | 6 | 2 | 2 | 0 | 40.0% | 100.0% |
| W | Feb 5Feb 5, 2021 | REAL MADRID vs BASKONIAEuroLeague | EuroLeague | 14 | 3 | 0 | 2 | 0 | 46.2% | 0.0% |
| W | Jan 29Jan 29, 2021 | BASKONIA vs ZALGIRIS KAUNASEuroLeague | EuroLeague | 7 | 1 | 3 | 0 | 0 | 50.0% | 0.0% |
| L | Jan 27Jan 27, 2021 | ASVEL LYON vs BASKONIAEuroLeague | EuroLeague | 13 | 2 | 0 | 0 | 0 | 37.5% | 100.0% |
| L | Jan 22Jan 22, 2021 | BASKONIA vs ALBA BERLINEuroLeague | EuroLeague | 10 | 1 | 0 | 0 | 1 | 36.4% | 0.0% |
| L | Jan 14Jan 14, 2021 | MACCABI TEL AVIV vs BASKONIAEuroLeague | EuroLeague | 12 | 0 | 0 | 2 | 0 | 40.0% | 50.0% |
| L | Jan 12Jan 12, 2021 | FENERBAHCE ULKER vs BASKONIAEuroLeague | EuroLeague | 8 | 3 | 0 | 0 | 0 | 33.3% | 0.0% |
| W | Jan 7Jan 7, 2021 | BASKONIA vs CSKA MOSCOWEuroLeague | EuroLeague | 17 | 6 | 2 | 0 | 0 | 50.0% | 50.0% |
| L | Jan 5Jan 5, 2021 | ALBA BERLIN vs BASKONIAEuroLeague | EuroLeague | 9 | 2 | 1 | 1 | 0 | 60.0% | 0.0% |
| W | Dec 29Dec 29, 2020 | BASKONIA vs POWER ELECTRONICS VALENCIAEuroLeague | EuroLeague | 14 | 5 | 2 | 0 | 0 | 54.5% | 0.0% |
| W | Dec 23Dec 23, 2020 | MILANO vs BASKONIAEuroLeague | EuroLeague | 11 | 3 | 3 | 2 | 0 | 50.0% | 75.0% |
| L | Dec 18Dec 18, 2020 | FC BAYERN MUNICH vs BASKONIAEuroLeague | EuroLeague | 10 | 7 | 0 | 0 | 0 | 42.9% | 100.0% |
| L | Dec 15Dec 15, 2020 | ZALGIRIS KAUNAS vs BASKONIAEuroLeague | EuroLeague | 7 | 0 | 1 | 2 | 0 | 33.3% | 0.0% |
| L | Dec 10Dec 10, 2020 | BASKONIA vs MACCABI TEL AVIVEuroLeague | EuroLeague | 4 | 4 | 3 | 0 | 0 | 25.0% | 0.0% |
| W | Dec 4Dec 4, 2020 | EFES PILSEN ISTANBUL vs BASKONIAEuroLeague | EuroLeague | 7 | 4 | 6 | 0 | 1 | 42.9% | 0.0% |
| W | Nov 26Nov 26, 2020 | OLYMPIACOS PIRAEUS B.C. vs BASKONIAEuroLeague | EuroLeague | 6 | 1 | 1 | 0 | 0 | 22.2% | 0.0% |
| L | Nov 23Nov 23, 2020 | BASKONIA vs ZENIT ST PETERSBURGEuroLeague | EuroLeague | 15 | 4 | 1 | 1 | 0 | 55.6% | 100.0% |
| W | Nov 19Nov 19, 2020 | BASKONIA vs PANATHINAIKOSEuroLeague | EuroLeague | 12 | 1 | 1 | 3 | 0 | 50.0% | 0.0% |
| W | Nov 17Nov 17, 2020 | BASKONIA vs FENERBAHCE ULKEREuroLeague | EuroLeague | 19 | 3 | 3 | 2 | 0 | 60.0% | 66.7% |
| L | Nov 12Nov 12, 2020 | CSKA MOSCOW vs BASKONIAEuroLeague | EuroLeague | 10 | 2 | 0 | 0 | 0 | 33.3% | 100.0% |
| L | Nov 5Nov 5, 2020 | BASKONIA vs ASVEL LYONEuroLeague | EuroLeague | 6 | 2 | 1 | 0 | 0 | 42.9% | 0.0% |
| L | Oct 30Oct 30, 2020 | BASKONIA vs FC BARCELONAEuroLeague | EuroLeague | 4 | 0 | 0 | 1 | 0 | 25.0% | 100.0% |
| W | Oct 16Oct 16, 2020 | BASKONIA vs BC KHIMKIEuroLeague | EuroLeague | 20 | 4 | 3 | 4 | 0 | 55.6% | 88.9% |
| L | Oct 9Oct 9, 2020 | CRVENA ZVEZDA TELEKOM BELGRADE vs BASKONIAEuroLeague | EuroLeague | 26 | 3 | 0 | 0 | 1 | 56.3% | 66.7% |
| W | Oct 2Oct 2, 2020 | BASKONIA vs REAL MADRIDEuroLeague | EuroLeague | 12 | 5 | 0 | 3 | 0 | 41.7% | 100.0% |