Kashiwa Reysol salvaged a point at Yokohama F. Marinos, coming back from 2-0 down to get a 2-2 draw.
Vissel Kobe left it late to seal the win after dominating Albirex Niigata for 90 minutes. Hiroyuki Komoto's headed goal from a corner kept Vissel in touch with the leaders with the 1-0 win.
Shimizu S-Pulse, which recently fired its Iranian-American manager Afshin Ghotbi, picked up three points by beating bottom club Tokushima Vortis 1-0. Kazuya Murata scored in the 69th minute for S-Pulse's 200th home win in J1.
Elsewhere, Ventforet Kofu and Vegalta Sendai fought out a 0-0 stalemate to leave both teams in danger of being sucked into a relegation dogfight.
Tosu, which this week parted company with manager Yoon Jung-hwan, can take the outright lead Monday night in its rescheduled tie at defending champion Sanfrecce Hiroshima.