H2H data updated: 2026-10-08 00:00 UTC

Pietro Marzano vs Robert Kreiss H2H: 0-1

Robert Kreiss holds a 1–0 lead over Pietro Marzano in their ATP head-to-head. Across 1 main-draw meeting, Robert Kreiss leads 1–0 on clay. Most recently, Robert Kreiss won the 1975 Italian Open round of 64 6-2 7-5.

ITA Age 77 Right-Handed
H2H
0 – 1
1 main-draw meetings

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Robert Kreiss 6-2 7-5 Pietro Marzano Match data May 27, 1975* R64 Italian Open ATP 500 Clay

Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 including documented historical predecessor categories Finals 500 including documented historical predecessor categories 250 including documented historical predecessor categories Titles
Pietro Marzano #579 #252 0 1,516 9 27 25.0% 0 0 0 0 0 0
Robert Kreiss — — — 1,559 — — — 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.

Age Pietro Marzano Robert Kreiss
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
18 1968 2–5 28.6% — 1,467 0 0 — — — — — — —
19 1969 3–3 50.0% — 1,478 0 0 — — — — — — —
20 1970 1–5 16.7% — 1,430 0 0 — — — — — — —
21 1971 0–3 0.0% — 1,423 0 0 — — — — — — —
22 1972 0–1 0.0% — 1,421 0 0 — — — — — — —
23 1973 2–5 28.6% — 1,436 0 0 — — — — — — —
24 1974 0–2 0.0% #274 1,419 0 0 — — — — — — —
25 1975 1–2 33.3% #252 1,418 0 0 — — — — — — —
26 1976 0–1 0.0% #310 1,405 0 0 — — — — — — —

Surface Results by Age

Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.

Age Pietro Marzano Robert Kreiss
Yr HardClayGrassCarpet Yr HardClayGrassCarpet
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
15 — — — — — — — — — — — — — — — — — 1968 0 1 1 0.0% — — — — — — — — — — — —
16 — — — — — — — — — — — — — — — — — 1969 — — — — — — — — 0 1 1 0.0% — — — —
17 — — — — — — — — — — — — — — — — — 1970 — — — — — — — — 0 1 1 0.0% — — — —
18 1968 — — — — 1 3 4 25.0% 1 2 3 33.3% — — — — 1971 1 4 5 20.0% — — — — 0 1 1 0.0% — — — —
19 1969 — — — — 2 2 4 50.0% 1 1 2 50.0% — — — — 1972 1 0 1 100.0% 0 1 1 0.0% — — — — 0 3 3 0.0%
20 1970 — — — — 0 3 3 0.0% 1 2 3 33.3% — — — — 1973 0 1 1 0.0% 0 1 1 0.0% 0 1 1 0.0% 2 3 5 40.0%
21 1971 — — — — 0 2 2 0.0% — — — — 0 1 1 0.0% 1974 2 5 7 28.6% 0 5 5 0.0% 1 2 3 33.3% 3 4 7 42.9%
22 1972 — — — — — — — — 0 1 1 0.0% — — — — 1975 0 2 2 0.0% 2 6 8 25.0% 0 2 2 0.0% 5 7 12 41.7%
23 1973 — — — — 1 3 4 25.0% 1 2 3 33.3% — — — — — — — — — — — — — — — — — — — — —
24 1974 — — — — 0 1 1 0.0% — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — —
25 1975 — — — — 1 2 3 33.3% — — — — — — — — — — — — — — — — — — — — — — — — —
26 1976 — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
Career — — — — — 5 17 22 22.7% 4 8 12 33.3% 0 2 2 0.0% — 4 13 17 23.5% 2 13 15 13.3% 1 8 9 11.1% 10 17 27 37.0%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.

Age Pietro Marzano Robert Kreiss
Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule
15 — — — — — — — — — — — — — — — — 1968 1488 101.1 — — — — — — — 33.3% -0.67 0–1 — — -0.09
16 — — — — — — — — — — — — — — — — 1969 1474 99.6 — — — — — — — 33.3% -1.33 0–1 — — +0.08
17 — — — — — — — — — — — — — — — — 1970 1470 97.8 — — — — — — — 0.0% -3.50 — — — -0.26
18 1968 1468 96.6 — — — — — +5 +36 31.6% -1.16 1–1 — — -0.04 1971 1451 99.3 — — — — +54 — — 23.1% -2.00 0–1 1–1 — +0.25
19 1969 1478 99.8 — — — — — +35 — 46.7% -0.80 0–1 — — +0.60 1972 1440 107.0 — — — — +72 — — 33.3% -1.67 0–2 2–0 — +0.43
20 1970 1430 100.8 — — — — — — +31 25.0% -0.75 — — — +0.65 1973 1458 113.4 — — — — +83 — — 35.0% -0.90 1–3 (25%) 1–4 (20%) 96.0 -0.11
21 1971 1423 103.7 — — — — — — — 14.3% -3.86 0–1 — — -0.30 1974 1490 120.6 — — — — +66 -36 -23 34.5% -0.88 3–5 (38%) 1–4 (20%) 97.4 +0.26
22 1972 1421 108.1 — — — — — — — 0.0% -2.67 — — — -0.19 1975 1490 125.4 — — — — +67 -44 — 37.3% -1.05 2–6 (25%) 3–2 (60%) 99.1 +0.55
23 1973 1436 99.2 — — — — — +15 +48 29.4% -1.35 — — — +0.13 — — — — — — — — — — — — — — — —
24 1974 1419 100.3 — — — — — — — 20.0% -1.60 0–1 — — +0.15 — — — — — — — — — — — — — — — —
25 1975 1418 97.4 — — — — — +17 — 33.3% -1.00 — — — +0.48 — — — — — — — — — — — — — — — —
26 1976 1406 98.0 — — — — — — — 0.0% -2.50 — — — +0.20 — — — — — — — — — — — — — — — —
Career — 1516 100.4 — — — — — +18 +38 29.1% -1.40 1–4 (20%) — — +4.94 — 1560 121.0 — — — — +68 -41 -23 34.1% -1.12 6–19 (24%) 8–11 (42%) 92.7 +1.63

Career Rivalries

Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.