Ivanovic has been linked with clubs in England and Zenit Saint Petersburg in Russia.
The long serving Serbian scored Chelsea's third goal in their 4-0 FA Cup fourth-round win over Brentford.
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Sat, January 28, 2017
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GK: Asmir Begovic – 7: Made some great saves for a deserved clean sheet
While Begovic made just his fifth start of the season as he kept a clean sheet.
And after the match, Conte was uncertain about their Stamford Bridge futures ahead of transfer deadline day.
Branislav Ivanovic celebrates his goal
He said: "It is difficult to make a decision but we must respect every decision for the players. Ivanovic is a legend here.
"He has played a lot of games and won a lot. In this season he is not playing in the same way as the last few years. We must wait over these next three days and we will see.
"It is the same for Asmir. He is important for us. In his position we need to find the right substitution, otherwise he is happy to stay with us."