H2H data updated: 2026-07-14 14:15 UTC
J. Simpson vs Toshiro Sakai H2H: 0-1
Toshiro Sakai holds a 1–0 lead over J. Simpson in their ATP head-to-head. Across 1 main-draw meeting, Toshiro Sakai leads 1–0 on hard courts. Most recently, Toshiro Sakai won the 1973 Osaka third round 6-1 6-2.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Oct 10, 1973* | Osaka | ATP 250 | R32 | Hard | Toshiro Sakai | 6-1 6-2 | J. Simpson | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| J. Simpson | #735 | #66 | 0 | 1,598 | 47 | 94 | 33.3% | 0 | 0 | 0 | 0 | 0 | 0 |
| Toshiro Sakai | — | — | — | 1,656 | — | — | — | 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 | J. Simpson | Toshiro Sakai | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 17 | 1968 | 0–1 | 0.0% | — | 1,474 | 0 | 0 | — | — | — | — | — | — | — |
| 18 | 1969 | 0–3 | 0.0% | — | 1,421 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 1970 | 1–1 | 50.0% | — | 1,441 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 1971 | 0–4 | 0.0% | — | 1,392 | 0 | 0 | — | — | — | — | — | — | — |
| 21 | 1972 | 8–16 | 33.3% | — | 1,446 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 1973 | 18–21 | 46.2% | #92 | 1,566 | 0 | 0 | — | — | — | — | — | — | — |
| 23 | 1974 | 12–30 | 28.6% | #132 | 1,472 | 0 | 0 | — | — | — | — | — | — | — |
| 24 | 1975 | 3–2 | 60.0% | #193 | 1,552 | 0 | 0 | — | — | — | — | — | — | — |
| 25 | 1976 | 1–2 | 33.3% | — | 1,539 | 0 | 0 | — | — | — | — | — | — | — |
| 29 | 1980 | 0–1 | 0.0% | #365 | 1,522 | 0 | 0 | — | — | — | — | — | — | — |
| 30 | 1981 | 1–2 | 33.3% | #365 | 1,524 | 0 | 0 | — | — | — | — | — | — | — |
| 31 | 1982 | 1–8 | 11.1% | #96 | 1,449 | 0 | 0 | — | — | — | — | — | — | — |
| 32 | 1983 | 2–3 | 40.0% | #167 | 1,449 | 0 | 0 | — | — | — | — | — | — | — |