Dirk Stegmann defeated Matias Boeker 6-4 6-4 in the USA F18 round of 16 on clay. The upset overturned the form book — Matias Boeker came in leading the head-to-head 1–0. Dirk Stegmann claimed a first win over Matias Boeker in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-06-09 | USA F14 | SF | hard | Matias Boeker | 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.