A stoppage-time goal from Armenian striker Aras Ozbiliz consigned Dan Petrescu’s Dynamo Moscow to a 2-1 home defeat to his former charges FC Kuban in the Russian Premier League on Sunday.
A sixth league defeat in seven games left Dynamo at the bottom of the table with three points, as Kuban moved to eighth with nine points.
Zenit St. Petersburg and Terek Grozny share the lead with 16 points, the champions ahead only on goal difference.
Dynamo opened the scoring in first-half injury time as Ecuador midfielder Christian Noboa struck from distance into the left corner of the net.
The visitors leveled it on 65 minutes in equally spectacular fashion as midfielder Artem Fiedler lashed a free kick into Anton Shunin's bottom right corner.
Ozbiliz sealed Kuban a comeback win in the third minute of the stoppage time, finishing off a swift counterattack by cutting in from the right and unleashing an unstoppable drive into the top corner from 20 yards.
Immediately after that goal Petrescu, who left Kuban in August to take over at troubled Dynamo a week later, stormed out of the dugout disappeared into the dressing room without awaiting the final whistle.
Shortly before Kuban equalized Dynamo captain Igor Semshov rushed clear for a one-on-one against Alexander Belenov, but the goalkeeper read his chip and plucked it out of the air.
Earlier Sunday, CSKA Moscow edged past a resilient FC Krasnodar with a 1-0 away win.
On Saturday, Terek Grozny continued their astonishing start with a 2-1 away win over 10-man Rubin Kazan thanks to a late winner from Magomed Mitrishev; and a late equalizer from striker Alexei Sapogov gave 10-man FC Volga a 1-1 draw against FC Rostov.
A 70th-minute strike from Hungarian striker Tamas Priskin saved newly promoted Alania Vladikavkaz from a home defeat against Amkar Perm, as the teams played a 1-1 draw.
In Friday's only game, Zenit secured a 3-0 away victory against newly promoted Mordovia Saransk with striker Alexander Kerzhakov bagging a brace.
Later Sunday, Krylya Sovetov Samara host Anzhi Makhachkala and Moscow rivals Spartak and Lokomotiv clash in the match of the day.