H2H data updated: 2026-07-14 14:15 UTC
H. Ploetz vs G. Merlo H2H: 1-0
H. Ploetz holds a 1–0 lead over G. Merlo in their ATP head-to-head. Across 1 main-draw meeting, H. Ploetz leads 1–0 on clay. Most recently, H. Ploetz won the 1968 Cannes fourth round 6-2 6-1.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Mar 22, 1968* | Cannes | ATP 250 | R16 | Clay | H. Ploetz | 6-2 6-1 | G. Merlo | Match data |
* Estimated match date where the exact historical date is unavailable.
Career Comparison
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.
| H. Ploetz | G. Merlo | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1968 | 14–11 | 56.0% | — | 1,549 | 0 | 0 | 1968 | 7–10 | 41.2% | — | 1,470 | 0 | 0 |
| 1969 | 18–16 | 52.9% | — | 1,605 | 0 | 0 | 1969 | 1–2 | 33.3% | — | 1,452 | 0 | 0 |
| 1970 | 12–17 | 41.4% | — | 1,628 | 0 | 0 | 1970 | 0–1 | 0.0% | — | 1,438 | 0 | 0 |
| 1971 | 2–5 | 28.6% | — | 1,578 | 0 | 0 | 1972 | 1–1 | 50.0% | — | 1,456 | 0 | 0 |
| 1972 | 2–5 | 28.6% | — | 1,540 | 0 | 0 | 1973 | 1–1 | 50.0% | #177 | 1,470 | 0 | 0 |
| 1973 | 2–5 | 28.6% | — | 1,531 | 0 | 0 | — | — | — | — | — | — | — |
| 1974 | 5–9 | 35.7% | #95 | 1,572 | 0 | 0 | — | — | — | — | — | — | — |
| 1975 | 13–16 | 44.8% | #76 | 1,610 | 0 | 0 | — | — | — | — | — | — | — |
| 1976 | 2–10 | 16.7% | #185 | 1,514 | 0 | 0 | — | — | — | — | — | — | — |