| 1 | Sun 20 Sep 2020 | 21 0-2 v Galatasarayİstanbul Başakşehir 0-2 Galatasaray | Turkish Süper Lig |
| 2 | Fri 25 Sep 2020 | 210-2 v Fatih KaragümrükFatih Karagümrük 2-0 İstanbul Başakşehir | Turkish Süper Lig |
| 3 | Sat 3 Oct 2020 | 210-0 v Göztepe SKİstanbul Başakşehir 0-0 Göztepe SK | Turkish Süper Lig |
| 4 | Sat 17 Oct 2020 | 212-0 v TrabzonsporTrabzonspor 0-2 İstanbul Başakşehir | Turkish Süper Lig |
| 5 | Sat 24 Oct 2020 | 215-1 v Antalyasporİstanbul Başakşehir 5-1 Antalyaspor | Turkish Süper Lig |
| 6 | Sat 21 Nov 2020 | 212-3 v BeşiktaşBeşiktaş 3-2 İstanbul Başakşehir | Turkish Süper Lig |
| 7 | Tue 24 Nov 2020 | 21 1-4 v Manchester UnitedManchester United 4-1 İstanbul Başakşehir | UEFA Champions League Group H |
| 8 | Sat 28 Nov 2020 | 213-3 v Denizlisporİstanbul Başakşehir 3-3 Denizlispor | Turkish Süper Lig |
| 9 | Wed 2 Dec 2020 | 21 3-4 v RB Leipzigİstanbul Başakşehir 3-4 RB Leipzig | UEFA Champions League Group H |
| 10 | Sat 5 Dec 2020 | 211-1 v Yeni MalatyasporYeni Malatyaspor 1-1 İstanbul Başakşehir | Turkish Süper Lig |
| 11 | Wed 9 Dec 2020 | 21 1-5 v Paris St GermainParis St Germain 5-1 İstanbul Başakşehir | UEFA Champions League Group H |
| 12 | Wed 23 Dec 2020 | 21 1-4 v FenerbahçeFenerbahçe 4-1 İstanbul Başakşehir | Turkish Süper Lig |
| 13 | Sun 27 Dec 2020 | 212-2 v Kasımpaşa SKİstanbul Başakşehir 2-2 Kasımpaşa SK | Turkish Süper Lig |
| 14 | Sat 2 Jan 2021 | 210-3 v AlanyasporAlanyaspor 3-0 İstanbul Başakşehir | Turkish Süper Lig |
| 15 | Wed 6 Jan 2021 | 211-0 v BB Erzurumsporİstanbul Başakşehir 1-0 BB Erzurumspor | Turkish Süper Lig |
| 16 | Sun 10 Jan 2021 | 212-1 v AnkaragücüAnkaragücü 1-2 İstanbul Başakşehir | Turkish Süper Lig |
| 17 | Sat 16 Jan 2021 | 21 1-1 v Sivassporİstanbul Başakşehir 1-1 Sivasspor | Turkish Süper Lig |
| 18 | Tue 19 Jan 2021 | 210-2 v KayserisporKayserispor 2-0 İstanbul Başakşehir | Turkish Süper Lig |
| 19 | Sat 23 Jan 2021 | 211-1 v Çaykur Rizesporİstanbul Başakşehir 1-1 Çaykur Rizespor | Turkish Süper Lig |
| 20 | Sat 30 Jan 2021 | 211-5 v Hataysporİstanbul Başakşehir 1-5 Hatayspor | Turkish Süper Lig |
| 21 | Tue 2 Feb 2021 | 210-3 v GalatasarayGalatasaray 3-0 İstanbul Başakşehir | Turkish Süper Lig |
| 22 | Sat 6 Feb 2021 | 210-1 v Fatih Karagümrükİstanbul Başakşehir 0-1 Fatih Karagümrük | Turkish Süper Lig |
| 23 | Sat 27 Feb 2021 | 210-0 v AntalyasporAntalyaspor 0-0 İstanbul Başakşehir | Turkish Süper Lig |
| 24 | Wed 3 Mar 2021 | 211-1 v Konyasporİstanbul Başakşehir 1-1 Konyaspor | Turkish Süper Lig |
| 25 | Sun 4 Apr 2021 | 213-1 v Yeni Malatyasporİstanbul Başakşehir 3-1 Yeni Malatyaspor | Turkish Süper Lig |
| 26 | Thu 8 Apr 2021 | 210-2 v Gazişehir GaziantepGazişehir Gaziantep 2-0 İstanbul Başakşehir | Turkish Süper Lig |
| 27 | Sun 18 Apr 2021 | 21 1-2 v Fenerbahçeİstanbul Başakşehir 1-2 Fenerbahçe | Turkish Süper Lig |
| 28 | Sun 25 Apr 2021 | 210-0 v Alanyasporİstanbul Başakşehir 0-0 Alanyaspor | Turkish Süper Lig |
| 29 | Thu 29 Apr 2021 | 212-1 v BB ErzurumsporBB Erzurumspor 1-2 İstanbul Başakşehir | Turkish Süper Lig |
| 30 | Mon 3 May 2021 | 212-1 v Ankaragücüİstanbul Başakşehir 2-1 Ankaragücü | Turkish Süper Lig |
| 31 | Sat 8 May 2021 | 210-0 v SivassporSivasspor 0-0 İstanbul Başakşehir | Turkish Süper Lig |
| 32 | Tue 11 May 2021 | 210-0 v Kayserisporİstanbul Başakşehir 0-0 Kayserispor | Turkish Süper Lig |
| 33 | Sat 15 May 2021 | 212-0 v Çaykur RizesporÇaykur Rizespor 0-2 İstanbul Başakşehir | Turkish Süper Lig |
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