| 1998.03.21 | Kyoto Sanga F.C. | 2-0 |
| 1998.03.25 | Tokyo Verdy | 0-1 |
| 1998.03.28 | Vissel Kobe | 4-3 |
| 1998.04.04 | JEF United Chiba | 1-3 |
| 1998.04.11 | Yokohama Flugels | 4-0 |
| 1998.04.15 | Cerezo Osaka | 9-1 |
| 1998.04.18 | Sanfrecce Hiroshima | 5-0 |
| 1998.04.25 | Avispa Fukuoka | 7-1 |
| 1998.04.29 | Hokkaido Consadole Sapporo | 4-0 |
| 1998.05.02 | Shimizu S-Pulse | 1-2 |
| 1998.05.05 | Kashima Antlers | 0-3 |
| 1998.05.09 | Kashiwa Reysol | 3-1 |
| 1998.07.25 | Gamba Osaka | 4-1 |
| 1998.07.29 | Yokohama F-Marinos | 1-0 |
| 1998.08.01 | Urawa Reds | 2-0 |
| 1998.08.05 | Nagoya Grampus | 2-1 |
| 1998.08.08 | Shonan Bellmare | 3-1 |
| 1998.08.22 | Yokohama F-Marinos | 2-3 |
| 1998.08.29 | Urawa Reds | 0-2 |
| 1998.09.05 | Nagoya Grampus | 4-2 |
| 1998.09.12 | Shonan Bellmare | 2-1 |
| 1998.09.15 | Kyoto Sanga F.C. | 3-2 |
| 1998.09.19 | Tokyo Verdy | 1-0 |
| 1998.09.23 | Vissel Kobe | 7-0 |
| 1998.09.26 | JEF United Chiba | 6-2 |
| 1998.10.03 | Yokohama Flugels | 4-0 |
| 1998.10.14 | Cerezo Osaka | 3-0 |
| 1998.10.17 | Sanfrecce Hiroshima | 1-2 |
| 1998.10.21 | Avispa Fukuoka | 6-1 |
| 1998.10.24 | Hokkaido Consadole Sapporo | 6-1 |
| 1998.10.31 | Shimizu S-Pulse | 1-0 |
| 1998.11.03 | Kashima Antlers | 0-1 |
| 1998.11.07 | Kashiwa Reysol | 4-0 |
| 1998.11.14 | Gamba Osaka | 5-4 |
