Hernan Gumy defeated Christian Ruud 4-6 6-1 6-3 in the Prague round of 32 on clay. The upset overturned the form book — Christian Ruud came in leading the head-to-head 3–1, defending last year's round of 16. Hernan Gumy narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-07-05 | Bastad | R16 | clay | Christian Ruud | 6-2 6-2 |
| 1999-04-19 | Orlando | QF | clay | Christian Ruud | 7-6 6-4 |
| 1997-02-10 | Dubai | R16 | hard | Christian Ruud | 1-6 6-4 6-2 |
| 1995-10-23 | Santiago | R32 | clay | Hernan Gumy | 6-7(2) 6-3 6-0 |
Averages over each player's completed matches in the selected window (124 vs 128). 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. About