Teplice extended their lead at the top of the table by a point as they drew 2-2 at Banik Ostrava.
They twice came from behind to maintain their unbeaten start to the season and go two points above second-placed Jablonec, who are away to Sigma Olomouc on Sunday.
Miloslav Strnad put Banik in front in the first minute, but Stepan Vachousek instantly brought Teplice level.
Mario Licka restored the hosts' lead, but substitute David Kalivoda equalised again 20 minutes later.
Slavia Prague maintained their one-point lead over city rivals Sparta as both drew, Slavia's match against Bohemians 1905 finishing 1-1 and Sparta held goalless at home by Plzen.
Slovan Liberec beat Slovacko 2-0 in the night's other game.