Stefan Koubek advanced when Adrian Voinea retired 3-3 in the Wimbledon round of 128. Stefan Koubek extended the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-07-22 | Kitzbuhel | R32 | clay | Stefan Koubek | 6-2 6-3 |
| 2002-04-05 | Davis Cup G1 QF: ROU vs AUT | RR | carpet | Adrian Voinea | 3-6 7-5 6-3 6-1 |
| 1999-09-13 | Bournemouth | F | clay | Adrian Voinea | 1-6 7-5 7-6(2) |
| 1999-08-09 | San Marino | R16 | clay | Stefan Koubek | 6-3 6-3 |
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 (200 vs 113). ATP, WTA & Challenger.