Head to head
Rivalry summary
Peter Ristau and Zan Guerry met 1 times on the ATP tour between 1969 and 1969. Zan Guerry leads the head-to-head 1–0 against Peter Ristau.
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Clay
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Peter Ristau's wins on the left · Zan Guerry's on the right · bar lengths share one scale
All meetings (1)
| 1969 | Berlin | Clay | R64 | Zan Guerry | 7-5 6-4 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.