| WTA Tour – Grand Slam – US Open (Final) | 2020 | | 12 September |
| NBA – Championships – NBA Finals (Western conf. semifinal #2) | 2020 | | 4–12 September |
| WTA Tour – Grand Slam – US Open | 2020 |  | 31 August–12 September |
| National championships – Celtic League – Results | 2020 | | 27 September–12 September |
| NBA – Championships – NBA Finals (Eastern conf. semifinal #1) | 2020 | | 30 August–11 September |
| ATP Tour – Grand Slam – US Open (Semifinal #1) | 2020 | | 11 September |
| ATP Tour – Grand Slam – US Open (Semifinal #2) | 2020 | | 11 September |
| WTA Tour – Grand Slam – US Open (Semifinal #1) | 2020 | | 10 September |
| WTA Tour – Grand Slam – US Open (Semifinal #2) | 2020 | | 10 September |
| ATP Tour – Grand Slam – US Open (Quarterfinal #4) | 2020 | | 9 September |
| ATP Tour – Grand Slam – US Open (Quarterfinal #1) | 2020 | | 3–6 7–6(5) 7–6(4) 0–6 6–3 | | |
| 9 September |
| ATP Tour – Grand Slam – US Open (Quarterfinal #2) | 2020 | | 9 September |
| ATP Tour – Grand Slam – US Open (Quarterfinal #3) | 2020 | | 9 September |
| NBA – Championships – NBA Finals (Eastern conf. semifinal #2) | 2020 | | 31 August–8 September |
| WTA Tour – Grand Slam – US Open (Quarterfinal #2) | 2020 | | 8 September |
| WTA Tour – Grand Slam – US Open (Quarterfinal #3) | 2020 | | 8 September |
| WTA Tour – Grand Slam – US Open (Quarterfinal #4) | 2020 | | 8 September |
| WTA Tour – Grand Slam – US Open (Quarterfinal #1) | 2020 | | 8 September |
| Formula 1 – Grand Prix – Italian Grand Prix | 2020 | | 6 September |
| World Rally Championship (WRC) – Rallies – Rally Estonia | 2020 | | 4–6 September |
| NHL – Championships – Stanley Cup finals (Eastern conf. semifinal #1) | 2020 | | 24 August–5 September |
| NHL – Championships – Stanley Cup finals (Western conf. semifinal #1) | 2020 | | 23 August–4 September |
| NHL – Championships – Stanley Cup finals (Western conf. semifinal #2) | 2020 | | 22 August–4 September |
Past events
