Head to head
Rivalry summary
Lawson Duncan and Tom Nijssen met 2 times on the ATP tour between 1986 and 1990. Their head-to-head is level at 1–1. By surface, they are level 1–1 on carpet.
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Carpet
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Lawson Duncan's wins on the left · Tom Nijssen's on the right · bar lengths share one scale
All meetings (2)
| 1990 | Toronto-1 | Carpet | R64 | Tom Nijssen | 6-3 6-3 |
| 1986 | Memphis | Carpet | R64 | Lawson Duncan | 6-2 7-6 |
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.