The first half was goalless, but straight after half-time, Marc Roberts made his mark as he scored a goal to give Birmingham City the lead.
The equaliser came in the 90th minute, when Lewis Grabban scored a goal for Nottingham Forest, what brought the final score to 1-1.
Birmingham City have 3 wins and 2 draws with a 5–1 goal difference in the last 5 games, while Nottingham Forest have 2 wins, 2 draws and 1 loss and a 5–4 goal difference.
With three games remaining, Birmingham City are in 19th place in the table while Nottingham Forest are in 18th.
Birmingham are set to face Derby at Pride Park Stadium, while Nottingham face Stoke City. Both games are scheduled for Saturday.