Okayama International Circuit 2020 Race Calendar
| Date | Racing Series | Round | Event Name |
|---|---|---|---|
| March 29 - March 29 | Porsche Sprint Challenge Japan Finished | Round 1 & 2 | |
| May 10 - May 10 | Lotus Cup Japan Finished | Round 4 | |
| September 26 - September 27 | Super Formula Finished | Round 2 | |
| September 26 - September 27 | TCR Japan Touring Car Series Finished | Round 3 | |
| October 18 - October 18 | Mini Challenge Japan Finished | Round 4 | |
| October 31 - November 1 | Formula Regional Japanese Championship Finished | Round 5 |