Norikazu Sugiyama defeated Gabriel Frias 4-6 6-1 6-1 in the Spain F4 round of 32 on clay. The upset overturned the form book — Gabriel Frias came in leading the head-to-head 1–0. Norikazu Sugiyama claimed a first win over Gabriel Frias in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-06-04 | Spain 6 2 | R32 | clay | Gabriel Frias | 6-4 6-3 |