Dede Suhendar Dinata defeated Sebastian Da Costa 6-4 6-1 in the Indonesia Masters 1 round of 32 on hard. The result followed the form book — Dede Suhendar Dinata came in leading the head-to-head 2–0. Dede Suhendar Dinata extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-09-01 | Indonesia F2 | R32 | hard | Dede Suhendar Dinata | 4-6 6-4 6-4 |
| 1997-08-25 | Indonesia Masters 4 | R16 | hard | Dede Suhendar Dinata | 7-5 6-1 |