| 2006-10-02 | Tokyo | Hard | R64 | 124 |  Kenneth Carlsen | 273 |  Gouichi Motomura (WC) | 6-7(5) 6-3 6-2 | H2H | 3 | 146 | 11 | 0 | 68.2% | 83.3% | 64.3% | 0/0 |
| 2006-09-25 | Mumbai | Hard | R16 | 66 |  Bjorn Phau (6) | 291 | Gouichi Motomura (Q) | 6-3 6-3 | H2H | 3 | 64 | 5 | 1 | 57.8% | 88.5% | 68.4% | 0/0 |
| 2006-09-25 | Mumbai | Hard | R32 | 291 | Gouichi Motomura (Q) | 711 |  Jasper Smit (Q) | 3-6 6-0 7-6(5) | H2H | 3 | 116 | 2 | 0 | 65.3% | 60.9% | 64.7% | 3/5 |
| 2006-09-11 | Beijing | Hard | R32 | 145 | Michael Berrer | 313 | Gouichi Motomura (Q) | 7-5 6-4 | H2H | 3 | 83 | 6 | 1 | 62.1% | 73.2% | 56.0% | 2/3 |
| 2006-02-10 | Davis Cup G1 R1: JPN vs CHN | Carpet | RR | 317 | Gouichi Motomura | 340 |  Yu Jr. Wang | 6-3 6-4 3-6 4-6 6-3 | H2H | 5 | - | - | - | - | - | - | - |
| 2006-04-07 | Davis Cup G1 R2: THA vs JPN | Hard | RR | 473 | Gouichi Motomura | 1237 |  Sonchat Ratiwatana | 6-1 6-1 | H2H | 3 | - | - | - | - | - | - | - |
| 2006-04-07 | Davis Cup G1 R2: THA vs JPN | Hard | RR | 41 | Paradorn Srichaphan | 473 | Gouichi Motomura | 6-4 7-6(4) 6-1 | H2H | 5 | - | - | - | - | - | - | - |
| 2005-10-03 | Tokyo | Hard | R64 | 276 | Alexander Popp | 274 | Gouichi Motomura (WC) | 6-2 6-4 | H2H | 3 | 70 | 8 | 1 | 65.5% | 83.3% | 52.6% | 0/0 |
| 2005-03-04 | Davis Cup G1 R1: TPE vs JPN | Hard | RR | 183 |  Jimmy Wang | 217 | Gouichi Motomura | 7-6(4) 7-5 4-6 7-6(2) | H2H | 5 | - | - | - | - | - | - | - |
| 2005-07-15 | Davis Cup G1 PO: JPN vs THA | Carpet | RR | 43 | Paradorn Srichaphan | 263 | Gouichi Motomura | 6-4 7-6(2) 6-0 | H2H | 5 | - | - | - | - | - | - | - |
