H2H data updated: 2026-07-14 14:15 UTC
Z. Guerry vs Peter Ristau H2H: 1-0
Z. Guerry holds a 1–0 lead over Peter Ristau in their ATP head-to-head. Across 1 main-draw meeting, Z. Guerry leads 1–0 on clay. Most recently, Z. Guerry won the 1969 Berlin second round 7-5 6-4 6-3.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| May 21, 1969* | Berlin | ATP 250 | R64 | Clay | Z. Guerry | 7-5 6-4 6-3 | Peter Ristau | Match data |
* Estimated match date where the exact historical date is unavailable.
Career Comparison
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 | Finals | 500 | 250 | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Z. Guerry | #490 | #98 | 0 | 1,599 | 42 | 78 | 35.0% | 0 | 0 | 0 | 0 | 0 | 0 |
| Peter Ristau | — | — | — | 1,500 | — | — | — | 0 | 0 | 0 | 0 | 0 | 0 |
Career Progression by Age
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Z. Guerry | Peter Ristau | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1968 | 5–7 | 41.7% | — | 1,479 | 0 | 0 | — | — | — | — | — | — | — |
| 1969 | 8–10 | 44.4% | — | 1,528 | 0 | 0 | — | — | — | — | — | — | — |
| 1970 | 1–4 | 20.0% | — | 1,494 | 0 | 0 | — | — | — | — | — | — | — |
| 1971 | 4–6 | 40.0% | — | 1,524 | 0 | 0 | — | — | — | — | — | — | — |
| 1972 | 5–7 | 41.7% | — | 1,521 | 0 | 0 | — | — | — | — | — | — | — |
| 1973 | 3–5 | 37.5% | #203 | 1,522 | 0 | 0 | — | — | — | — | — | — | — |
| 1974 | 1–1 | 50.0% | #228 | 1,542 | 0 | 0 | — | — | — | — | — | — | — |
| 1975 | 2–2 | 50.0% | #205 | 1,570 | 0 | 0 | — | — | — | — | — | — | — |
| 1976 | 0–6 | 0.0% | #176 | 1,504 | 0 | 0 | — | — | — | — | — | — | — |
| 1977 | 8–16 | 33.3% | #109 | 1,563 | 0 | 0 | — | — | — | — | — | — | — |
| 1978 | 2–7 | 22.2% | #279 | 1,522 | 0 | 0 | — | — | — | — | — | — | — |
| 1979 | 1–3 | 25.0% | #326 | 1,517 | 0 | 0 | — | — | — | — | — | — | — |
| 1980 | 1–2 | 33.3% | — | 1,501 | 0 | 0 | — | — | — | — | — | — | — |
| 1981 | 0–1 | 0.0% | #594 | 1,494 | 0 | 0 | — | — | — | — | — | — | — |
| 1982 | 1–1 | 50.0% | — | 1,515 | 0 | 0 | — | — | — | — | — | — | — |