Head to head
1
Hard
1
1
Clay
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Michael Westphal's wins on the left · Jimmy Arias's on the right · bar lengths share one scale
All meetings (4)
| 1987 | Montreal | Hard | R32 | Jimmy Arias | 6-2 6-4 |
| 1987 | Monte-Carlo | Clay | R64 | Jimmy Arias | 6-0 6-4 |
| 1986 | Johannesburg | Hard | R32 | Michael Westphal | 6-7 6-3 6-3 |
| 1985 | Monte-Carlo | Clay | R16 | Michael Westphal | 7-6 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.