The 1999–2000 Interliga season was the first season of the multi-national ice hockey league. Eight teams participated in the league, and EC KAC from Austria have won the championship.
| Place | Team | GP | Pts | W (OTW) | L (OTL) | GF–GA | GD | |
|---|---|---|---|---|---|---|---|---|
| 1 | 28 | 52 | 25 (3) | 3 (2) | 145–64 | +81 | ||
| 2 | 28 | 45 | 22 (3) | 6 (1) | 150–63 | +87 | ||
| 3 | 28 | 36 | 16 (2) | 12 (4) | 128–93 | +35 | ||
| 4 | 28 | 31 | 15 (2) | 13 (1) | 103–121 | –18 | ||
| 5 | 28 | 28 | 12 (2) | 16 (4) | 111–110 | +1 | ||
| 6 | 28 | 22 | 9 (2) | 19 (4) | 80–119 | –39 | ||
| 7 | 28 | 15 | 7 (2) | 21 (1) | 81–151 | –70 | ||
| 8 | 28 | 12 | 6 (1) | 22 (0) | 44–121 | –77 |
| Series | Game 1 | Game 2 | |
|---|---|---|---|
| Jesenice (8) – EC VSV (1) | 0–7 | 3–6 | |
| Wiener EV (5) – Olimpija (4) | 2–5 | 4–5 | |
| Alba Volán Székesfehérvár (7) – EC KAC (2) | 2–4 | 4–7 | |
| Dunaújvárosi Acélbikák (6) – VEU Feldkirch (3) | 3–0 | 0–4 |
| Series | Game 1 | Game 2 | |
|---|---|---|---|
| Olimpija (4) – EC VSV (1) | 1–3 | 4–6 | |
| VEU Feldkirch (3) – EC KAC (2) | 1–1 | 2–6 |