Joseph Sirianni defeated Michel Koning 7-6 6-1 in the Netherlands F4 round of 32 on clay. The upset overturned the form book — Michel Koning came in leading the head-to-head 1–0. Joseph Sirianni claimed a first win over Michel Koning in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-09-05 | Netherlands F4 | R32 | clay | Michel Koning | 4-6 7-5 7-6(5) |
Averages over each player's completed matches in the selected window (17 vs 1). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About