2009–10 BIBL season
In the second season of the Balkan International Basketball League are compeating ten participants from the Republic of Macedonia, Bulgaria, Romania, Serbia and Montenegro.
Teams
Format
Regular season
In the regular season the teams will be divided into two groups, each containing five teams. Each team plays every other team in its group at home and away. The top 4 teams in each group advance to the playoffs. Games will be played from October 10, 2009 to March 3, 2010.Quarterfinals
The top four teams in each group advance for the quarterfinals. The winner of Group A/Group B will play with the fourth placed team in Group B/Group A and the second placed team in Group A/Group B will play with the third in Group B/Group A.Final four
The four remaining teams play a semifinal match and the winners of those advance to the final. The losers play in a third-place playoff.Regular season
Group A
 LOV |  MET |  CHE | RIL |  RAB | |
| LOV | 64-54 | 90-77 | 80-83 | 104-50 | |
| MET | 63-82 | 85-67 | 77-70 | 88-63 | |
| CHE | 77-71 | 85-73 | 91-90 | 86-76 | |
| RIL | 74-69 | 74-82 | 88-77 | 111-65 | |
| RAB | 102-108 | 61-80 | 61-96 | 80-76 |
Group B
| LEV | FEN | OKK | MOR | SPA |  STE | |
| LEV | 90-88 | 92-84 | 109-85 | 113-82 | 92-61 | |
| FEN | 88-86 | 101-76 | 85-69 | 93-79 | 93-73 | |
| OKK | 103-100 | 91-89 | 84-77 | 77-58 | 85-70 | |
| MOR | 80-105 | 69-88 | 80-73 | 83-71 | 66-59 | |
| SPA | 79-91 | 85-93 | 93-94 | 77-60 | 103-96 | |
| STE | 69-75 | 64-70 | 92-76 | 75-83 | 105-102 |
Quarterfinals
First legs were held on March 18; second legs were on March 24 and March 25| Team 1 | Agg. | Team 2 | 1st leg | 2nd leg |
| Mornar | 153−164 | Lovcen Cetinje | 77−80 | 76−84 |
| Feni Industries | 167−151 | Metalac Valjevo | 88−88 | 79−63 |
| Levski Sofia | 184−173 | Rilski Sportist | 75−89 | 109−84 |
| Euroins Cherno More | 173−171 | OKK Beograd | 92−87 | 81−84 |
Final four
| Balkan League 2010 Champions |
 Levski Sofia First title |