Robert Casey
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Rick Fisher | 0 | 1 | 1 | Jan 9, 1980 | H2H |
| Jeff Simpson | 0 | 1 | 1 | Jul 17, 1974 | H2H |
| Ernie Ewert | 0 | 1 | 1 | Jun 5, 1974 | H2H |
| David Segal | 1 | 0 | 1 | Jun 4, 1974 | — |
| Jean Paul Meyer | 0 | 1 | 1 | Jan 2, 1974 | H2H |
H2H data updated: 2026-10-19 00:00 UTC
Robert Casey vs William Mason H2H: 0-1 (incl. walkovers)
Robert Casey vs William Mason: 0–0 excluding walkovers; 0–1 including 1 walkover. Across 1 main-draw results including walkovers, William Mason leads 1–0 on grass. Most recently, William Mason won the 1972 Adelaide International round of 32 W/O.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H including walkovers
0
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1
1 main-draw results
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| William Mason | (w/o) | Robert Casey | Match data | Jan 20, 1972* | R32 | Adelaide International | ATP 250 | Grass |
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 Casey | #793 | #242 | 0 | 1,500 | 2 | 9 | 18.2% | 0 | 0 | 0 | 0 | 0 | 0 |
| William Mason | — | — | — | 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.
| Robert Casey | William Mason | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1972 | 1–3 | 25.0% | — | 1,482 | 0 | 0 | — | — | — | — | — | — | — |
| 1973 | 0–1 | 0.0% | — | 1,468 | 0 | 0 | — | — | — | — | — | — | — |
| 1974 | 1–4 | 20.0% | #274 | 1,420 | 0 | 0 | — | — | — | — | — | — | — |
| 1980 | 0–1 | 0.0% | — | 1,408 | 0 | 0 | — | — | — | — | — | — | — |
Surface Results by Career Season
Rows are aligned in career order because complete birth data is unavailable. 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.
| Robert Casey | William Mason | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Grass | Carpet | Yr | Hard | Grass | Carpet | ||||||||||||||||||
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | ||
| 1972 | — | — | — | — | 1 | 3 | 4 | 25.0% | — | — | — | — | 1968 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 1973 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | 1969 | — | — | — | — | 0 | 2 | 2 | 0.0% | — | — | — | — |
| 1974 | — | — | — | — | 1 | 3 | 4 | 25.0% | 0 | 1 | 1 | 0.0% | 1971 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 1980 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | 1972 | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — |
| Career | — | — | — | — | 2 | 8 | 10 | 20.0% | 0 | 1 | 1 | 0.0% | Career | 0 | 1 | 1 | 0.0% | 1 | 4 | 5 | 20.0% | — | — | — | — |
Advanced Statistics Comparison by Career Season
Rows are aligned in career order because complete birth data is unavailable. 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.
| Robert Casey | William Mason | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 1972 | 1482 | 93.9 | — | — | — | — | — | — | +35 | 33.3% | -2.11 | 1–1 | — | — | +0.22 | 1968 | 1489 | 96.4 | — | — | — | — | — | — | — | 0.0% | -4.00 | — | — | — | -0.13 |
| 1973 | 1468 | 97.6 | — | — | — | — | — | — | — | 0.0% | -4.50 | — | — | — | +0.01 | 1969 | 1468 | 101.2 | — | — | — | — | — | — | — | 20.0% | -1.80 | 0–1 | — | — | -0.08 |
| 1974 | 1420 | 91.2 | — | — | — | — | — | — | +19 | 38.5% | -0.77 | 0–2 | 1–1 | — | +1.03 | 1972 | 1453 | 96.1 | — | — | — | — | — | — | — | 0.0% | -4.00 | — | — | — | +0.16 |
| 1980 | 1409 | 98.2 | — | — | — | — | — | — | — | 0.0% | -1.00 | — | 0–2 | — | +0.11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1500 | 91.4 | — | — | — | — | — | — | +27 | 30.8% | -1.54 | 1–3 (25%) | 1–3 (25%) | 95.4 | +13.70 | Career | 1500 | 97.2 | — | — | — | — | — | — | — | 11.1% | -2.78 | 0–1 | — | — | -1.25 |
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.
William Mason
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Kim Warwick | 0 | 1 | 1 | Jan 21, 1972 | — |
| Robert Casey | 1 | 0 | 1 | Jan 20, 1972 | — |
| Owen Davidson | 0 | 1 | 1 | Apr 7, 1971 | — |
| Tom Kreiss | 0 | 1 | 1 | Dec 3, 1969 | — |
| Bill Bowrey | 0 | 1 | 1 | Jan 2, 1969 | — |