World Football Elo before kick-off, and what the result did to it.
Expected score for Switzerland: 63.7% (a draw counts half), home advantage included. An upset — the lower-rated side won.
Meeting 5 of 12, 1976–2021.
Before
After
Before
After
From Switzerland's side.
| 15 Nov 2021 | Bulgaria | 4–0 | Home | FIFA World Cup qualification 2021 | — |
| 25 Mar 2021 | Bulgaria | 3–1 | Away | FIFA World Cup qualification 2021 | — |
| 6 Sep 2011 | Bulgaria | 3–1 | Home | UEFA Euro qualification 2011 | — |
| 26 Mar 2011 | Bulgaria | 0–0 | Away | UEFA Euro qualification 2011 | — |
| 11 Feb 2009 | Bulgaria | 1–1 | Home | Friendly | — |
| 28 Apr 1992 | Bulgaria | 0–2 | Home | Friendly | — |
| 1 May 1991 | Bulgaria | 3–2 | Away | UEFA Euro qualification 1991 | — |
| 12 Sep 1990 | Bulgaria | 2–0 | Home | UEFA Euro qualification 1990 | — |
| 5 Feb 1985 | Bulgaria | 0–1 | Neutral | Friendly | — |
| 7 Mar 1983 | Bulgaria | 1–1 | Away | Friendly | — |
| 7 Sep 1982 | Bulgaria | 3–2 | Home | Friendly | — |
| 17 Aug 1976 | Bulgaria | 2–2 | Home | Friendly | — |
Score: openfootball · Scorers: openfootball · Line-ups: none · Cards: none