Boris Borgula advanced past Konstantin Don Gruber via walkover in the Sri Lanka F1 qualifying round. Boris Borgula claimed a first win over Konstantin Don Gruber in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-09-15 | Hungary F3 | R32 | clay | Konstantin Don Gruber | 6-4 4-6 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.