| August 2019Aug 10 |  Ligue 1 | Montpellier 0–1 RennesRegular Season - 1 | W |
| Aug 18 | Ligue 1 | Rennes2–1 Paris Saint GermainRegular Season - 2 | W |
| Aug 25 | Ligue 1 | Strasbourg 0–2RennesRegular Season - 3 | W |
| September 2019Sep 01 | Ligue 1 | Rennes1–2 NiceRegular Season - 4 | L |
| Sep 14 | Ligue 1 | Stade Brestois 29 0–0RennesRegular Season - 5 | D |
| Sep 19 |  Europa League | Rennes1–1 CelticGroup Stage - 1 | D |
| Sep 22 | Ligue 1 | Rennes1–1 LilleRegular Season - 6 | D |
| Sep 25 | Ligue 1 | Nantes 1–0RennesRegular Season - 7 | L |
| Sep 29 | Ligue 1 | Marseille 1–1RennesRegular Season - 8 | D |
| October 2019Oct 03 | Europa League | Lazio 2–1RennesGroup Stage - 2 | L |
| Oct 06 | Ligue 1 | Rennes0–1 ReimsRegular Season - 9 | L |
| Oct 20 | Ligue 1 | Monaco 3–2RennesRegular Season - 10 | L |
| Oct 24 | Europa League | Rennes0–1 CFR 1907 ClujGroup Stage - 3 | L |
| Oct 27 | Ligue 1 | Rennes3–2 ToulouseRegular Season - 11 | W |
| November 2019Nov 07 | Europa League | CFR 1907 Cluj1–0RennesGroup Stage - 4 | L |
| Nov 10 | Ligue 1 | Rennes3–1 AmiensRegular Season - 13 | W |
| Nov 23 | Ligue 1 | Dijon 2–1RennesRegular Season - 14 | L |
| Nov 28 | Europa League | Celtic3–1RennesGroup Stage - 5 | L |
| December 2019Dec 01 | Ligue 1 | Rennes2–1 Saint EtienneRegular Season - 15 | W |
| Dec 04 | Ligue 1 | Metz 0–1RennesRegular Season - 16 | W |
| Dec 07 | Ligue 1 | Rennes2–1 AngersRegular Season - 17 | W |
| Dec 12 | Europa League | Rennes2–0LazioGroup Stage - 6 | W |
| Dec 15 | Ligue 1 | Lyon 0–1RennesRegular Season - 18 | W |
| Dec 21 | Ligue 1 | Rennes1–0 BordeauxRegular Season - 19 | W |
| January 2020Jan 10 | Ligue 1 | Rennes0–1MarseilleRegular Season - 20 | L |
| Jan 15 | Ligue 1 | Nimes 0–1RennesRegular Season - 12 | W |
| Jan 24 | Ligue 1 | Nice1–1RennesRegular Season - 21 | D |
| Jan 31 | Ligue 1 | Rennes3–2NantesRegular Season - 22 | W |
| February 2020Feb 04 | Ligue 1 | Lille1–0RennesRegular Season - 23 | L |
| Feb 08 | Ligue 1 | Rennes0–0Stade Brestois 29Regular Season - 24 | D |
| Feb 16 | Ligue 1 | Reims1–0RennesRegular Season - 25 | L |
| Feb 23 | Ligue 1 | Rennes2–1NimesRegular Season - 26 | W |
| Feb 29 | Ligue 1 | Toulouse0–2RennesRegular Season - 27 | W |
| March 2020Mar 08 | Ligue 1 | Rennes5–0MontpellierRegular Season - 28 | W |
| Mar 15 | Ligue 1 | Bordeaux01:00 AMRennesRegular Season - 29 | — |
| Mar 21 | Ligue 1 | Rennes01:00 AMLyonRegular Season - 30 | — |
| April 2020Apr 05 | Ligue 1 | Amiens02:00 AMRennesRegular Season - 31 | — |
| Apr 11 | Ligue 1 | Saint Etienne02:00 AMRennesRegular Season - 32 | — |
| Apr 18 | Ligue 1 | Rennes02:00 AMMetzRegular Season - 33 | — |
| Apr 26 | Ligue 1 | Rennes08:00 PMStrasbourgRegular Season - 34 | — |
| May 2020May 02 | Ligue 1 | Angers08:00 PMRennesRegular Season - 35 | — |
| May 09 | Ligue 1 | Rennes08:00 PMDijonRegular Season - 36 | — |
| May 16 | Ligue 1 | Paris Saint Germain08:00 PMRennesRegular Season - 37 | — |
| May 23 | Ligue 1 | Rennes08:00 PMMonacoRegular Season - 38 | — |
