| 1 | Fri 15 Aug | 23-1 v GironaGirona 1-3 Rayo Vallecano | Spanish La Liga |
| 2 | Thu 21 Aug | 21-0 v Neman GrodnoNeman Grodno 0-1 Rayo Vallecano | UEFA Europa Conference League |
| 3 | Mon 25 Aug | 2 0-1 v Athletic BilbaoAthletic Bilbao 1-0 Rayo Vallecano | Spanish La Liga |
| 4 | Sun 31 Aug | 21-1 v BarcelonaRayo Vallecano 1-1 Barcelona | Spanish La Liga |
| 5 | Sun 14 Sep | 20-2 v OsasunaOsasuna 2-0 Rayo Vallecano | Spanish La Liga |
| 6 | Sun 21 Sep | 21-1 v Celta VigoRayo Vallecano 1-1 Celta Vigo | Spanish La Liga |
| 7 | Wed 24 Sep | 2 2-3 v Atlético MadridAtlético Madrid 3-2 Rayo Vallecano | Spanish La Liga |
| 8 | Sun 28 Sep | 20-1 v SevillaRayo Vallecano 0-1 Sevilla | Spanish La Liga |
| 9 | Sun 5 Oct | 21-0 v Real SociedadReal Sociedad 0-1 Rayo Vallecano | Spanish La Liga |
| 10 | Sun 19 Oct | 23-0 v LevanteLevante 0-3 Rayo Vallecano | Spanish La Liga |
| 11 | Thu 23 Oct | 2 2-2 v HäckenHäcken 2-2 Rayo Vallecano | UEFA Europa Conference League Matchday 2 |
| 12 | Sun 26 Oct | 21-0 v AlavésRayo Vallecano 1-0 Alavés | Spanish La Liga |
| 13 | Sat 1 Nov | 2 0-4 v VillarrealVillarreal 4-0 Rayo Vallecano | Spanish La Liga |
| 14 | Thu 6 Nov | 23-2 v Lech PoznańRayo Vallecano 3-2 Lech Poznań | UEFA Europa Conference League Matchday 3 |
| 15 | Sun 9 Nov | 2 0-0 v Real MadridRayo Vallecano 0-0 Real Madrid | Spanish La Liga |
| 16 | Sun 23 Nov | 20-0 v Real OviedoReal Oviedo 0-0 Rayo Vallecano | Spanish La Liga |
| 17 | Thu 27 Nov | 21-2 v Slovan BratislavaSlovan Bratislava 2-1 Rayo Vallecano | UEFA Europa Conference League Matchday 4 |
| 18 | Mon 1 Dec | 21-1 v ValenciaRayo Vallecano 1-1 Valencia | Spanish La Liga |
| 19 | Sun 7 Dec | 20-1 v EspanyolEspanyol 1-0 Rayo Vallecano | Spanish La Liga |
| 20 | Thu 11 Dec | 22-1 v Jagiellonia BiałystokJagiellonia Białystok 1-2 Rayo Vallecano | UEFA Europa Conference League Matchday 5 |
| 21 | Mon 15 Dec | 20-0 v Real BetisRayo Vallecano 0-0 Real Betis | Spanish La Liga |
| 22 | Thu 18 Dec | 23-0 v Drita GjilanRayo Vallecano 3-0 Drita Gjilan | UEFA Europa Conference League Matchday 6 |
| 23 | Fri 2 Jan | 2 1-1 v GetafeRayo Vallecano 1-1 Getafe | Spanish La Liga |
| 24 | Sun 11 Jan | 22-1 v MallorcaRayo Vallecano 2-1 Mallorca | Spanish La Liga |
| 25 | Sun 1 Feb | 21-2 v Real MadridReal Madrid 2-1 Rayo Vallecano | Spanish La Liga |
| 26 | Sun 15 Feb | 23-0 v Atlético MadridRayo Vallecano 3-0 Atlético Madrid | Spanish La Liga |
| 27 | Sat 21 Feb | 21-1 v Real BetisReal Betis 1-1 Rayo Vallecano | Spanish La Liga |
| 28 | Sat 28 Feb | 21-1 v Athletic BilbaoRayo Vallecano 1-1 Athletic Bilbao | Spanish La Liga |
| 29 | Wed 4 Mar | 23-0 v Real OviedoRayo Vallecano 3-0 Real Oviedo | Spanish La Liga |
| 30 | Sun 8 Mar | 2 1-1 v SevillaSevilla 1-1 Rayo Vallecano | Spanish La Liga |
| 31 | Thu 12 Mar | 23-1 v SamsunsporSamsunspor 1-3 Rayo Vallecano | UEFA Europa Conference League Round of 16 |
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