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Chelsea matches where Roberto Mancini was opposition manager/coach
| Date | Venue | Opponent | Score | Comp |
| 22/10/2003 | Stamford Bridge | Lazio | 2-1 | UEFA Champions League |
| 04/11/2003 | Stadio Olimpico, Rome | Lazio | 4-0 | UEFA Champions League |
| 27/02/2010 | Stamford Bridge | Manchester City | 2-4 | Premier League |
| 25/09/2010 | City Of Manchester Stadium | Manchester City | 0-1 | Premier League |
| 20/03/2011 | Stamford Bridge | Manchester City | 2-0 | Premier League |
| 12/12/2011 | Stamford Bridge | Manchester City | 2-1 | Premier League |
| 21/03/2012 | Etihad Stadium | Manchester City | 1-2 | Premier League |
| 12/08/2012 | Villa Park | Manchester City | 2-3 | F.A. Community Shield |
| 25/11/2012 | Stamford Bridge | Manchester City | 0-0 | Premier League |
| 24/02/2013 | Etihad Stadium | Manchester City | 0-2 | Premier League |
| 14/04/2013 | Wembley | Manchester City | 1-2 | F.A. Cup |
| 26/02/2014 | Turk Telekom Arena | Galatasaray | 1-1 | UEFA Champions League |
| 18/03/2014 | Stamford Bridge | Galatasaray | 2-0 | UEFA Champions League |