World Football Elo before kick-off, and what the result did to it.
Expected score for Japan: 59.1% (a draw counts half), home advantage included. An upset — the lower-rated side won.
Meeting 16 of 19, 1951–2024.
Before
After
Before
After
From Japan's side.
| 3 Feb 2024 | Iran | 1–2 | Neutral | AFC Asian Cup 2024 | Quarter-final |
| 28 Jan 2019 | Iran | 3–0 | Neutral | AFC Asian Cup 2019 | Semi-final |
| 13 Oct 2015 | Iran | 1–1 | Away | Friendly | — |
| 17 Aug 2005 | Iran | 2–1 | Home | FIFA World Cup qualification 2005 | — |
| 25 Mar 2005 | Iran | 1–2 | Away | FIFA World Cup qualification 2005 | — |
| 28 Jul 2004 | Iran | 0–0 | Neutral | AFC Asian Cup 2004 | Group stage |
| 8 Sep 1999 | Iran | 1–1 | Home | Friendly | — |
| 16 Nov 1997 | Iran | 3–2 | Neutral | FIFA World Cup qualification 1997 | — |
| 18 Oct 1993 | Iran | 1–2 | Neutral | FIFA World Cup qualification 1993 | — |
| 3 Nov 1992 | Iran | 1–0 | Home | AFC Asian Cup 1992 | Group stage |
| 1 Oct 1990 | Iran | 0–1 | Neutral | Asian Games 1990 | — |
| 20 Jan 1989 | Iran | 2–2 | Away | Friendly | — |
| 4 Dec 1988 | Iran | 0–0 | Neutral | AFC Asian Cup 1988 | Group stage |
| 22 Sep 1986 | Iran | 0–2 | Neutral | Asian Games 1986 | — |
| 21 Nov 1982 | Iran | 1–0 | Neutral | Asian Games 1982 | — |
| 18 Dec 1966 | Iran | 0–1 | Neutral | Asian Games 1966 | — |
| 11 Dec 1966 | Iran | 3–1 | Neutral | Asian Games 1966 | — |
| 8 Mar 1951 | Iran | 2–3 | Neutral | Asian Games 1951 | — |
| 7 Mar 1951 | Iran | 0–0 | Neutral | Asian Games 1951 | — |
Score: openfootball · Scorers: openfootball · Line-ups: none · Cards: none