Head to head
1
Hard
0
0
Clay
2
0
Carpet
1
Lawson Duncan's wins on the left · Petr Korda's on the right · bar lengths share one scale
All meetings (4)
| 1990 | Philadelphia | Carpet | R64 | Petr Korda | 6-3 6-1 |
| 1989 | Stuttgart | Clay | R64 | Petr Korda | 6-0 0-6 6-3 |
| 1988 | Roland Garros | Clay | R128 | Petr Korda | 7-6 6-3 6-3 |
| 1985 | Cologne | Hard | R32 | Lawson Duncan | 6-3 6-4 |
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.