Jerome Loustalot defeated Michel Kratochvil 6-1 6-4 in the Switzerland 1 Masters 1 qualifying round on clay. Jerome Loustalot extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-08-05 | Switzerland 1 Masters 4 | SF | clay | Michel Kratochvil | 7-6 6-3 |
| 1998-06-15 | Finland F2 | R16 | clay | Jerome Loustalot | 7-5 7-6 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.