Walter Orth defeated Bernat Mas Avellaneda 7-6 6-0 in the Switzerland 2 3 round of 32 on clay. The upset overturned the form book — Bernat Mas Avellaneda came in leading the head-to-head 1–0. Walter Orth claimed a first win over Bernat Mas Avellaneda in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-06-10 | Netherlands 1 4 | R32 | clay | Bernat Mas Avellaneda | 4-6 6-4 6-1 |