Jason Stoltenberg defeated David Prinosil 7-6 6-1 in the Stuttgart Masters round of 64 on carpet. The upset overturned the form book — David Prinosil came in leading the head-to-head 1–0, defending last year's round of 16. Jason Stoltenberg claimed a first win over David Prinosil in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-05-10 | Rome Masters | R32 | clay | David Prinosil | 6-3 6-0 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (138 vs 165). ATP, WTA & Challenger.