Basque basketball derby

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Basque basketball derby, known as Euskal derbia in Basque and Derbi vasco in Spanish, is the rivalry between Baskonia from Vitoria-Gasteiz and Bilbao Basket from Bilbao, the two main Basque Country teams.

Background
- Baskonia plays at Buesa Arena in Vitoria-Gasteiz; Bilbao Basket plays at Bilbao Arena in Bilbao.
- After Cajabilbao folded in 1994, Baskonia was the only Basque team in the Liga ACB until Bilbao Basket joined in 2004.
- The two clubs have produced a long-standing and heated rivalry as they competed for regional bragging rights and national success.

Key meetings and moments
- First derby: 3 October 2004, Baskonia defeated Bilbao 104–57 at La Casilla, the biggest defeat Bilbao has suffered in the series.
- Bilbao’s first derby win: 22 January 2006, 92–78.
- 2007 Supercopa: Baskonia beat Bilbao 85–73 in Bilbao.
- 2008 Copa del Rey semifinal: Baskonia won 68–66.
- ACB playoffs: Baskonia won the series 2–0 in both 2009 and 2012.
- EuroLeague era: In 2011, Bilbao reached the EuroLeague group stage and, after facing Baskonia in the group, eliminated Baskonia 77–72 at Bilbao Arena; Bilbao advanced to the quarterfinals before losing to CSKA Moscow.
- 2015 brawl: A melee on 1 March 2015 led to multiple players being ejected and suspensions, with significant sanctions announced afterward.
- 2018 clash: On 13 May 2018, Baskonia beat Bilbao 78–74 at Bilbao Arena, and Bilbao was relegated to the LEB Oro for the first time in 14 years. Bilbao earned promotion back to Liga ACB for the 2019–20 season.

All-time and season details
- Overall meetings: 50 games so far.
- All-time record: Baskonia leads 39–11.
- Liga ACB record: Baskonia leads 34–9.
- Largest victory: Baskonia 104–57 Bilbao (3 October 2004).
- Closest games (one-point margins): Bilbao 79–80 Baskonia (29 December 2011) and Baskonia 81–80 Bilbao (16 December 2012).
- Longest winning streak in the derby: Baskonia, 8 games.
- Current winning streak: Baskonia 1.
- Latest meeting: 8 December 2024, Baskonia 69–67 Bilbao.