Japan defender Daiki Hashioka inadvertently put past his own keeper Thomas Kaminski in the 44th minute while trying to stop Reiss Nelson after Smith Rowe was afforded too much space in the penalty area.
Onana has been under huge scrutiny since he arrived from Inter Milan in a deal worth upwards of £44million, having made numerous mistakes and conceded 20 goals in 12 games before tonight.
The beleaguered hosts, who had lost 11 of their last 12, never gave up and finally got their rewards in the third minute of added time in the second half when Kolasinac turned Adama Diakhaby's shot into his own goal.
The Shanghai Shenhua striker had limped off in the 44th-minute of the third-place match against Tunisia on Wednesday, after scoring the only goal that gave the Super Eagles team the bronze medal.
Batshuayi could have scored a hat-trick, but VAR ruled out a goal in the 44th minute for offside. Dortmund needed a late winner from another former Blue, Andre Schurrle, as the attacker fired in a goal in the 84th minute.
"The Burton Albion goalkeeper denied that his behaviour during the 44th minute of an EFL League One fixture against Peterborough United on Saturday 29 February 2020 amounted to violent and/or improper conduct but the charge was subsequently
The Egypt forward, who scored 44 goals in 52 games for the Reds last season, equalised Leroy Sane's second-half goal barely a minute after coming on as a substitute in front of a 52,000 crowd.
The 31-year-old tripped and fell during a run in the 44th minute at the Centenario Stadium and was immediately surrounded by players from both teams as he held his left knee. He was eventually replaced by Richarlison.
Back in 2012, City pipped rivals Manchester United to the title - their first in 44 years - on goal difference after Sergio Aguero scored a 93rd-minute winner against QPR.
Youri Tielemans scored the only goal of the encounter in the 63rd minute. FA Cup Third Round confirmed ball numbers: 1. AFC Bournemouth 2. Arsenal 3. Aston Villa 4. Barnsley 5. Birmingham City 6. Blackburn Rovers 7. Blackpool 8.