Kalendaryo ng Karera Okayama International Circuit 2018
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 28 July - 29 July | Mini Challenge Japan Natapos | Round 4 | |
| 14 October - 14 October | Lotus Cup Japan Natapos | Round 5 |
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 28 July - 29 July | Mini Challenge Japan Natapos | Round 4 | |
| 14 October - 14 October | Lotus Cup Japan Natapos | Round 5 |