H2H data updated: 2026-09-08 00:00 UTC

Robert Rheinberger vs Osamu Ishiguro H2H: 1-0

Robert Rheinberger holds a 1–0 lead over Osamu Ishiguro in their ATP head-to-head. Across 1 main-draw meeting, Robert Rheinberger leads 1–0 on hard courts. Most recently, Robert Rheinberger won the 1974 Tokyo round of 64 3-6 6-3 6-4.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Robert Rheinberger
AUS Age 80 Right-Handed
H2H
1 – 0
1 main-draw meetings
Osamu Ishiguro
JPN Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Robert Rheinberger 3-6 6-3 6-4 Osamu Ishiguro Match data Oct 15, 1974* R64 Tokyo ATP 250 Hard

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
Robert Rheinberger #366 #162 0 1,500 4 35 10.3% 0 0 0 0 0 0
Osamu Ishiguro #373 #228 0 1,500 0 6 0.0% 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 Robert Rheinberger Osamu Ishiguro
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
24 1970 0–3 0.0% — 1,441 0 0 — — — — — — —
26 1972 0–3 0.0% — 1,415 0 0 — — — — — — —
27 1973 1–4 20.0% #211 1,421 0 0 — — — — — — —
28 1974 2–7 22.2% #171 1,420 0 0 — — — — — — —
29 1975 1–14 6.7% #182 1,335 0 0 — — — — — — —
30 1976 0–4 0.0% #288 1,312 0 0 — — — — — — —
34 — — — — — — — 1971 0–1 0.0% — 1,487 0 0
36 — — — — — — — 1973 0–2 0.0% — 1,457 0 0
37 — — — — — — — 1974 0–2 0.0% #318 1,432 0 0
38 — — — — — — — 1975 0–1 0.0% #373 1,425 0 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 Robert Rheinberger Osamu Ishiguro
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
24 1970 1441 91.9 — — — — — — — 0.0% -4.00 — — — +0.50 — — — — — — — — — — — — — — — —
26 1972 1415 86.7 — — — — — — — 0.0% -4.60 — — — +0.01 — — — — — — — — — — — — — — — —
27 1973 1422 106.7 — — — — — +80 — 18.2% -1.82 — 0–2 — -0.39 — — — — — — — — — — — — — — — —
28 1974 1421 109.7 — — — — +105 +57 — 27.3% -1.59 2–2 (50%) 0–1 — +0.34 — — — — — — — — — — — — — — — —
29 1975 1336 94.1 — — — — — +42 — 12.5% -2.97 0–2 0–2 — +1.08 — — — — — — — — — — — — — — — —
30 1976 1312 92.3 — — — — — — — 10.0% -2.80 0–1 — — +0.15 — — — — — — — — — — — — — — — —
34 — — — — — — — — — — — — — — — — 1971 1488 100.3 — — — — — — — 0.0% -3.00 — — — +0.03
36 — — — — — — — — — — — — — — — — 1973 1458 94.1 — — — — — — — 20.0% -1.60 0–1 0–2 — +0.46
37 — — — — — — — — — — — — — — — — 1974 1433 98.3 — — — — — — — 20.0% -1.60 0–1 — — +0.30
38 — — — — — — — — — — — — — — — — 1975 1426 96.0 — — — — — — — 0.0% -3.50 — — — +0.03
Career — 1500 96.0 — — — — +105 +53 — 15.3% -2.60 2–5 (29%) 0–5 (0%) 93.7 +4.45 — 1500 94.9 — — — — — — — 13.3% -2.13 0–2 0–2 — +13.67

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.