Head to head
1
Hard
2
1
Clay
0
0
Grass
1
Jason Stoltenberg's wins on the left · Karol Kucera's on the right · bar lengths share one scale
All meetings (5)
| 1999 | Queen's Club | Grass | R16 | Karol Kucera | 6-3 6-3 |
| 1998 | Sydney Outdoor | Hard | QF | Karol Kucera | 6-3 2-6 6-4 |
| 1996 | Sydney Outdoor | Hard | R16 | Jason Stoltenberg | 2-6 6-2 7-6(3) |
| 1996 | Adelaide | Hard | R32 | Karol Kucera | 6-1 6-4 |
| 1994 | Atlanta | Clay | R32 | Jason Stoltenberg | 6-2 7-6(3) |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.