Jun Kato defeated Sebastian Linda 3-6 6-3 6-2 in the Switzerland 2 1 round of 32 on clay. The result followed the form book — Jun Kato came in leading the head-to-head 1–0. Jun Kato extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-06-30 | Netherlands F3 | R32 | clay | Jun Kato | 6-4 6-1 |