Zenit St Petersburg maintained their six-point lead at the top of the Russian Premier Liga after beating Tomsk 2-0.
The mid-table visitors gave Zenit a helping hand with Daisuke Matsui putting through his own net after three minutes. Alexander Bukharov doubled the home side's lead on the stroke of half-time.
Both sides finished the game with 10 men - Zenit's Roman Shirokov seeing red in the final minute, six minutes after Tomsk's Dmitri Smirnov had been dismissed.
Second-placed Rubin Kazan maintained their challenge with a 3-0 defeat of Amkar Perm - Carlos Eduardo scoring twice and Obafemi Martins netting a late penalty.
Spartak Moscow beat city rivals Saturn 2-1 with Welliton scoring twice. Dmitri Kirichenko replied for Saturn but the visitors could not find an equaliser.
Alania Vladikavkaz scored twice in injury-time to record an unlikely win at rock-bottom Sibir Novosibirsk.
Evgeny Zinoviev's 11th-minute strike appeared to have handed the hosts just their fourth win of the season but goals at the death from Ibrahim Gnanou and Baba Collins turned the match around.