H2H data updated: 2026-07-19 14:15 UTC
Kaoru Okamoto vs Roberta Mccallum H2H: 0-1
Roberta Mccallum holds a 1–0 lead over Kaoru Okamoto in their WTA head-to-head. Across 1 main-draw meeting, Roberta Mccallum leads 1–0 on hard courts. Most recently, Roberta Mccallum won the 1981 Tokyo Japan Open third round 7-6 6-3.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Oct 22, 1981* | Tokyo Japan Open | WTA 250 | R32 | Hard | Roberta Mccallum | 7-6 6-3 | Kaoru Okamoto | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kaoru Okamoto | #225 | #75 | 14 | 1,589 | 23 | 44 | 34.3% | 0 | 0 | 0 | 1 | 0 | 1 |
| Roberta Mccallum | — | — | — | 1,659 | 24 | 43 | 35.8% | 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.
| Kaoru Okamoto | Roberta Mccallum | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1978 | 0–1 | 0.0% | — | 1,483 | 0 | 0 | 1978 | 0–1 | 0.0% | — | 1,484 | 0 | 0 |
| 1980 | 0–2 | 0.0% | — | 1,465 | 0 | 0 | 1979 | 6–5 | 54.5% | — | 1,572 | 0 | 0 |
| 1981 | 0–3 | 0.0% | — | 1,441 | 0 | 0 | 1980 | 14–27 | 34.1% | — | 1,579 | 0 | 0 |
| 1983 | 3–2 | 60.0% | — | 1,473 | 0 | 0 | 1981 | 4–9 | 30.8% | — | 1,568 | 0 | 0 |
| 1984 | 0–1 | 0.0% | #189 | 1,465 | 0 | 0 | 1982 | 0–1 | 0.0% | — | 1,549 | 0 | 0 |
| 1985 | 0–1 | 0.0% | — | 1,450 | 0 | 0 | — | — | — | — | — | — | — |
| 1986 | 2–1 | 66.7% | #151 | 1,480 | 0 | 0 | — | — | — | — | — | — | — |
| 1987 | 6–8 | 42.9% | #107 | 1,543 | 0 | 0 | — | — | — | — | — | — | — |
| 1988 | 1–8 | 11.1% | #208 | 1,496 | 0 | 0 | — | — | — | — | — | — | — |
| 1989 | 5–7 | 41.7% | #115 | 1,508 | 0 | 1 | — | — | — | — | — | — | — |
| 1990 | 3–6 | 33.3% | #165 | 1,496 | 0 | 1 | — | — | — | — | — | — | — |
| 1991 | 2–2 | 50.0% | #183 | 1,534 | 0 | 1 | — | — | — | — | — | — | — |
| 1992 | 1–2 | 33.3% | #225 | 1,536 | 0 | 1 | — | — | — | — | — | — | — |