| Event Date Series | Remarks | |||
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| 1998/4/5 Motegi Champion Cup Round 1 | 4 wheels | |
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FJ1600 | Qualifying | Finals | |
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| S-CIVIC | Qualifying | Finals | |||
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| 1998/5/3 Motegi Champion Cup Round 2 | 4 wheels | |
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| FJ1600 | Qualifying | Finals | |
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| CIVIC | Qualifying | Finals | |
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| 1998/6/7 Motegi Champion Cup Round 3 | 4 wheels | |
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| FJ1600 | Qualifying | Finals | |
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| F4 | Qualifying | Finals | |
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| Ferrari | Qualifying | Finals | |
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| S-CIVIC | Qualifying | Finals | |
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| 1998/7/19 Motegi Champion Cup Round 4 | 4 wheels | |
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| SUPER KART | Qualifying | Finals | |
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| FJ1600 | Qualifying | Finals | |
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| Ferrari F355 | Qualifying | Finals | |
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| S-CIVIC | Qualifying | Finals | |
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| 1998/8/16 Motegi Champion Cup Race Round 5 | 4 wheels | |
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| FJ1600 | Qualifying | Finals | |
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| S-CIVIC | Qualifying | Finals | |
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| 1998/10/10-11 Motegi Champion Cup Race Round 6 | 4 wheels | |
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| FJ1600 | Qualifying | Finals | |
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| CIVIC East Japan | Qualifying | Finals | |
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| F4 | Qualifying | Finals | |
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| S-CIVIC | Qualifying | Finals | |
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| SUPER KART | Qualifying | Finals | |
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