2009–10 Polish 1. Liga season

The 2009-10 Polish 1. Liga season was contested by nine teams and won by KTH Krynica.

First round
Krynica and Bytom (who declined to participate) advanced to the qualification round of the Polska Liga Hokejowa.

Quarterfinals
KH Sanok and TKH Torun from the Polska Liga Hokejowa, who finished 9th and 10th in the qualification round, respectively, joined the 1. Liga for the playoffs, along with KTH Krynica, who re-joined the competition.

The 1. Liga teams who played each other in the regular season received a bonus victory for winning the head-to-head matchup.

The playoffs decided the 9th-16th placed overall teams in the top two tiers of Polish hockey.
 * KH Sanok - Legia Warszawa 5:0, 9:3, 6:1
 * TKH Toruń - UKS Sielec Sosnowiec 7:1, 12:1, 15:2
 * KTH Krynica - MMKS Nowy Targ Krynica bonus, 6:0, 9:2
 * GKS Katowice - Orlik Opole Katowice bonus, 7:3, 2:0

Semifinals

 * KH Sanok - GKS Katowice 6:1, 9:2, 3:6, 7:2
 * KTH Krynica - TKH Torun Torun bonus, 7:4, 2:4, 2:1, 5:3

Final
The final was for ninth place in the PLH.
 * KH Sanok - KTH Krynica Sanok bonus, 7:2, 6:0

Classification games

 * MMKS Nowy Targ - UKS Sielec Sosnowiec 7:0, 3:7
 * Legia Warszawa - Orlik Opole 2:3, 6:2
 * 11th place game
 * TKH Torun - GKS Katowice 12:6
 * 13th place game
 * Legia Warszawa - MMKS Nowy Targ 0:3, 6:2
 * 15th place game
 * Orlik Opole - UKS Sielec Sosnowiec 5:4, 7:6 OT