| Prevseason Year: | 2019–20 |
| Nextseason Year: | 2021–22 |
| 2020–21 Basketball Champions League | |
| Season: | 2020–21 |
| Champions: |  San Pablo Burgos (2nd title) |
| Runners Up: |  Pınar Karşıyaka |
| Third Place: | Casademont Zaragoza |
| Fourth Place: |  SIG Strasbourg |
| Teams: | 32 (regular season) 44 (all rounds)[1] |
| Dates: | 15 September 2020 – 9 May 2021 |
| Mvp N: | USA |
| Finals Mvp Link: | Basketball Champions League Final Four MVP |
| Finals Mvp N: | BRA |
| Award4: | Best Coach |
| Award4 Winner: | Zoran Lukić |
| Award4 N: | SRB |
| Award5: | Best Young Player |
| Award5 Winner: | Yoan Makoundou |
| Award5 N: | FRA |
| Pir: | 20.6 |
| Pir N: | USA |
| Ppg: | 18.2 |
| Ppg N: | USA |
| Rpg: | 7.8 |
| Rpg N: | USA |
| Apg: | 6.9 |
| Apg N: | ITA |
The 2020–21 Basketball Champions League was the 5th season of the Basketball Champions League (BCL), the premier European-wide professional basketball competition for clubs launched and managed by FIBA. The season began on 15 September 2020 and ended on 9 May 2021. It featured 12 domestic champions while four wild cards were allocated for first time.
San Pablo Burgos won its second consecutive championship, after defeating Pınar Karşıyaka in the final in Nizhny Novgorod. As champions, they qualified for the 2022 FIBA Intercontinental Cup.
44 teams played in the 2020–21 Basketball Champions League (28 teams directly qualify for the group competition, while 16 teams play 2 qualifying rounds for the remaining 4 places in the group stage).[2]
| Regular season | |||
|---|---|---|---|
 Fortitudo Bologna WC | |||
| Darüşşafaka Tekfen WC | |||
| Türk Telekom WC | |||
| RETAbet Bilbao WC | |||
| Qualifying rounds | |||
 Tsmoki-Minsk | |||
The schedule of the competition was as follows.[4] On December 3, the Basketball Champions League Board has approved a change of format for the 2020-21 Play-Offs and Finals.[5]
| Phase | Round | Draw date | Round date | |
|---|---|---|---|---|
| Qualifying rounds | First qualifying round (Semifinals) | 15 July 2020 | 22–23 September 2020 | |
| Second qualifying round (Finals) | 24–25 September 2020 | |||
| Regular season | Round 1 | Groups A–D | 20–21 October 2020 | |
| Groups E–H | 27–28 October 2020 | |||
| Round 2 | Groups A–D | 3–4 November 2020 | ||
| Groups E–H | 10–11 November 2020 | |||
| Round 3 | Groups A–D | 17–18 November 2020 | ||
| Groups E–H | 8–9 December 2020 | |||
| Round 4 | Groups A–D | 15–16 December 2020 | ||
| Groups E–H | 22–23 December 2020 | |||
| Round 5 | Groups A–D | 5–6 January 2021 | ||
| Groups E–H | 12–13 January 2021 | |||
| Round 6 | Groups A–D | 19–20 January 2021 | ||
| Groups E–H | 26–27 January 2021 | |||
| Play-offs | Round 1 | 2 February 2021 | 2–3 March 2021 | |
| Round 2 | 9–10 March 2021 | |||
| Round 3 | 16–17 March 2021 | |||
| Round 4 | 23–24 March 2021 | |||
| Round 5 | 30–31 March 2021 | |||
| Round 6 | 6–7 April 2021 | |||
| Final Eight | Quarterfinals | 16 April 2021 | 6–7 May 2021 | |
| Semifinals | 8 May 2021 | |||
| Final | 9 May 2021 | |||
The 16 teams that entered in the first round were divided into four pots based firstly on the competition's club ranking and, for clubs that have not yet participated in the competition, on the country ranking.
For the first qualification round (QR1), teams from Pot 3 were drawn against teams from Pot 2, and teams from Pot 4 faced teams from Pot 1. Clubs from Pot 1 and 2 were seeded, and played the second leg at home. Games were played on September 15–18. The eight winners then qualified for the second qualification round (QR2).
For the second round (QR2), the winners of Pot 3 and Pot 2 faced the winners of Pot 4 and Pot 1. The winners from Pot 4 and Pot 1 were seeded, and played the second leg at home. Games were played on September 22–25. The four winners then qualified for the 2020–21 Basketball Champions League regular reason and joined the 28 directly qualified teams in the main draw.
On August 25, 2020, it was announced, in order to protect the health and guarantee the safety of players, coaches and officials, but also to safeguard a fair competition, and to properly organize game operations, the decision has been taken to modify the competition system from home-away games, to a tournament format, with single games for each Qualification Round.[6]
Four tournaments took place, each consisting of two semifinals games and of one final game, where the semifinals were played as the BCL qualification round 1 and the final as the BCL qualification round 2. These Qualification tournaments took place in two different locations:
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Semifinals were played on 23 September 2020 and Final took place on 25 September 2020 at Tassos Papadopoulos Eleftheria Indoor Hall in Nicosia, Cyprus.
Semifinals were played on 22 September 2020 and Final took place on 24 September 2020 at Tassos Papadopoulos Eleftheria Indoor Hall in Nicosia, Cyprus.
Semifinals were played on 23 September 2020 and Final took place on 25 September 2020 at Arena Botevgrad in Botevgrad, Bulgaria.
Semifinals were played on 22 September 2020 and Final took place on 24 September 2020 at Arena Botevgrad in Botevgrad, Bulgaria.
The 28 teams that entered in the regular season directly were divided into seven pots based firstly on the club ranking and, for clubs that have not yet participated in the competition, on the country ranking. Eighth pot is reserved for winners of qualifying rounds.
Initially, teams were divided into groups of eight teams. However, due to the COVID-19 pandemic, groups were split with the aim to the reduce the number of games and to make easier to play possible postponed matches.
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Sixteen teams advance to the Play-off phase, consisting of a new group format of four groups with four teams each.
A draw determined the new four groups (each group had respectively two teams having finished first and two teams having finished second in their regular season group) that played home and away games over the month of March. No country protection, only group protection was applied during the draw.
Clubs played six games each in a round robin system (three games home, three away), with the first two teams in each group qualifying for a Final 8 tournament that concluded the 2020–21 season. The playoffs started on March 2–3, 2021.[7]
The draw of this second phase of the competition was conducted on February 2, at the Patrick Baumann House of Basketball.[8]
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See main article: article and 2021 Basketball Champions League Final Eight. The concluding Final Eight tournament was played in Nizhny Novgorod, Russia, between 5 May and 9 May 2021.[9]
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The quarterfinals were played on 5–6 May 2021.|}
The semifinals were played on 7 May 2021.|}
The third place game was played on 9 May 2021.|}
See main article: article and 2021 Basketball Champions League Final. The final was played on 9 May 2021.|}
The annual season awards were announced on 5 May.[10] [11]
| Award | Player | Club | |
|---|---|---|---|
| SIG Strasbourg | |||
| Cholet | |||
 Nizhny Novgorod |
| First Team | Second Team | |||
|---|---|---|---|---|
| Player | Team | Player | Team | |
 C.J. Harris |  Hapoel Holon |  Dylan Ennis | Zaragoza | |
| Kasey Shepherd | Nizhny Novgorod | Darius Thompson | New Basket Brindisi | |
| Bonzie Colson | SIG Strasbourg |  Jasiel Rivero | San Pablo Burgos | |
| Raymar Morgan | Karşıyaka | Omar Prewitt |  Nymburk | |
 Giorgi Shermadini | Canarias | Michale Kyser | VEF Rīga | |
