The Italian admitted his team - who created a major upset in their previous game by winning 3-2 at Arsenal - had struggled to find top gear and paid tribute to the visitors' performance.
"We were not at our best but considering that, I'll take a point against Bolton," Di Matteo said.
"The Premier League is a very tough league and some weekends there are some crazy results and surprises, other weekends there aren't.
"They (Bolton) were good and it was difficult. They work hard and never let you have time on the ball.
"Considering that some of our players were not in the best form today, we still came back from 1-0 down and could have won it at the