H2H data updated: 2026-07-18 17:48 UTC
Ken Flach vs Shigeyuki Nishio H2H: 1-0
Ken Flach holds a 1–0 lead over Shigeyuki Nishio in their ATP head-to-head. Across 1 main-draw meeting, Ken Flach leads 1–0 on hard courts. Most recently, Ken Flach won the 1983 Tokyo Outdoor second round 6-4 6-4.
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USA
Right-Handed
185 cm / 6'1"
H2H
1
–
0
1 main draw meetings
JPN
Age 72
Right-Handed
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Oct 19, 1983* | Tokyo Outdoor | ATP 250 | R64 | Hard | Ken Flach | 6-4 6-4 | Shigeyuki Nishio | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ken Flach | #815 | #56 | 130 | 1,714 | 52 | 80 | 39.4% | 0 | 0 | 0 | 0 | 0 | 0 |
| Shigeyuki Nishio | #1,024 | #263 | 9 | 1,533 | 4 | 11 | 26.7% | 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 | Ken Flach | Shigeyuki Nishio | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 19 | 1982 | 0–1 | 0.0% | #438 | 1,498 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 1983 | 2–3 | 40.0% | #314 | 1,521 | 0 | 0 | 1974 | 0–1 | 0.0% | #274 | 1,488 | 0 | 0 |
| 21 | 1984 | 7–6 | 53.8% | #155 | 1,598 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 1985 | 12–12 | 50.0% | #60 | 1,675 | 0 | 0 | — | — | — | — | — | — | — |
| 23 | 1986 | 4–15 | 21.1% | #223 | 1,556 | 0 | 0 | — | — | — | — | — | — | — |
| 24 | 1987 | 10–13 | 43.5% | #100 | 1,621 | 0 | 0 | 1978 | 0–1 | 0.0% | #263 | 1,482 | 0 | 0 |
| 25 | 1988 | 7–12 | 36.8% | #203 | 1,618 | 0 | 0 | 1979 | 2–2 | 50.0% | #439 | 1,504 | 0 | 0 |
| 26 | 1989 | 6–7 | 46.2% | #194 | 1,652 | 0 | 0 | 1980 | 1–1 | 50.0% | #372 | 1,518 | 0 | 0 |
| 27 | 1990 | 3–6 | 33.3% | #222 | 1,611 | 0 | 0 | 1981 | 1–1 | 50.0% | #372 | 1,519 | 0 | 0 |
| 28 | 1991 | 0–2 | 0.0% | #572 | 1,575 | 0 | 0 | 1982 | 0–2 | 0.0% | — | 1,501 | 0 | 0 |
| 29 | 1992 | 0–1 | 0.0% | #742 | 1,558 | 0 | 0 | 1983 | 0–1 | 0.0% | #423 | 1,484 | 0 | 0 |
| 30 | — | — | — | — | — | — | — | 1984 | 0–1 | 0.0% | #463 | 1,477 | 0 | 0 |
| 31 | 1994 | 1–1 | 50.0% | #514 | 1,575 | 0 | 0 | 1985 | 0–1 | 0.0% | #570 | 1,462 | 0 | 0 |
| 32 | 1995 | 0–1 | 0.0% | #835 | 1,570 | 0 | 0 | — | — | — | — | — | — | — |