Head to head
1
Hard
0
1
Clay
0
Wojtek Kowalski's wins on the left · Johnny Goudenbour's on the right · bar lengths share one scale
All meetings (2)
| 1990 | Davis Cup G2 QF: LUX vs POL | Hard | RR | Wojtek Kowalski | 6-3 6-4 6-2 |
| 1988 | Davis Cup G2 QF: POL vs LUX | Clay | RR | Wojtek Kowalski | 3-6 4-6 6-3 6-3 6-0 |
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.