Nicolas Kiefer defeated Francisco Clavet 6-4 7-6 6-1 in the US Open round of 64 on hard. The upset overturned the form book — Francisco Clavet came in leading the head-to-head 2–1, defending last year's round of 128. Nicolas Kiefer narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-03-15 | Miami Masters | QF | hard | Francisco Clavet | 7-5 6-3 |
| 1999-02-08 | Dubai | QF | hard | Nicolas Kiefer | 7-6(7) 6-7(6) 6-2 |
| 1997-03-17 | Miami Masters | R64 | hard | Francisco Clavet | 6-2 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 200). ATP, WTA & Challenger.