Nicolas Kiefer defeated Juan Balcells 6-3 2-6 5-7 7-5 6-3 in the Wimbledon round of 128 on grass. The upset overturned the form book — Juan Balcells came in leading the head-to-head 2–0, defending last year's round of 128. Nicolas Kiefer claimed a first win over Juan Balcells in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-05-28 | Roland Garros | R128 | clay | Juan Balcells | 6-2 1-6 4-6 6-3 8-6 |
| 2001-05-21 | Dusseldorf | RR | clay | Juan Balcells | 6-4 6-2 |
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 20). ATP, WTA & Challenger.