Player data updated: 2026-10-17 16:37 UTC
Sadao Kosugi
Sadao Kosugi represented Japan on the ATP Tour and reached a career high of No. 274. TennisDB's records show a singles record of 0–1 and no singles titles.
Peak singles rank
274 (Dec 23, 1974)
Elo peak
1500 (3rd percentile)
Singles record
0–1 (0.0%)
Singles titles
0
Records cover recorded main-draw singles results in TennisDB's ATP event archive, including credited walkovers; qualifying is shown separately below.
ATP Matches full match log →
| Opponent | Score | Result | H2H | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|---|
| Kenichi Hirai | 3-6 4-6 | L | H2H | Match data | Oct 15, 1974* | R64 | Tokyo | ATP 250 | Hard |
Rivals all rivalries →
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Kenichi Hirai | 0 | 1 | 1 | Oct 15, 1974 | H2H |
Career Results
| Season | W | L | M | Win % | Start Rank | End Rank |
|---|---|---|---|---|---|---|
| 1974 | 0 | 1 | 1 | 0.0% | 297 | 274 |
| Career | 0 | 1 | 1 | 0.0% | — | — |
Career Results by Surface
| Season | Hard | Clay | Grass | Total | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | |
| 1974 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| Career | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
Advanced Stats
| Season | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1974 | 1481 | 96.4 | — | — | — | — | — | — | — | 0.0% | -2.50 | — | — | — | +0.30 |
| Career | 1500 | 98.1 | — | — | — | — | — | — | — | 0.0% | -2.50 | — | — | — | +30.00 |
Tournament Results by Category
ATP Ranking History full ranking history →
Similar Players
Other ATP players with comparable peak level, era, career record, and career scale.
| Player | Country | Peak ranking | Peak Elo | M | W | L | Win % | Prize money | Titles | GS | M1000 | Years | Rivalries | Match log |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Greg Braun | AUS | #269 | 1,516 | 19 | 2 | 17 | 10.5% | $115 | 0 | 0 | 0 | 1970–1979 | Rivalries | Match log |
| Alexander Marcial | PHI | #262 | 1,514 | 9 | 1 | 8 | 11.1% | — | 0 | 0 | 0 | 1968–1978 | Rivalries | Match log |
| Mark Shires | USA | #264 | 1,524 | 8 | 1 | 7 | 12.5% | — | 0 | 0 | 0 | 1972–1975 | Rivalries | Match log |
| Joe Bouquin | USA | #272 | 1,500 | 6 | 1 | 5 | 16.7% | — | 0 | 0 | 0 | 1969–1978 | Rivalries | Match log |
| Peter Fishbach | USA | #272 | 1,502 | 14 | 2 | 12 | 14.3% | $644 | 0 | 0 | 0 | 1968–1977 | Rivalries | Match log |
| Thies Roepcke | GER | #272 | 1,512 | 6 | 1 | 5 | 16.7% | $158 | 0 | 0 | 0 | 1973–1978 | Rivalries | Match log |
| Bruce Nichols | USA | #275 | 1,500 | 22 | 3 | 19 | 13.6% | — | 0 | 0 | 0 | 1974–1982 | Rivalries | Match log |
| Victor Eke | AUS | #249 | 1,500 | 9 | 1 | 8 | 11.1% | — | 0 | 0 | 0 | 1972–1979 | Rivalries | Match log |
| John Eagleton | RSA | #272 | 1,500 | 5 | 1 | 4 | 20.0% | — | 0 | 0 | 0 | 1972–1979 | Rivalries | Match log |
| Larry Nagler | USA | #272 | 1,515 | 5 | 1 | 4 | 20.0% | — | 0 | 0 | 0 | 1968–1975 | Rivalries | Match log |
| Ben Bishop | USA | #281 | 1,517 | 11 | 2 | 9 | 18.2% | — | 0 | 0 | 0 | 1968–1978 | Rivalries | Match log |
| Salvador Cabeza | ESP | #245 | 1,513 | 7 | 1 | 6 | 14.3% | — | 0 | 0 | 0 | 1971–1977 | Rivalries | Match log |
Frequently Asked Questions
- Which country does Sadao Kosugi represent?
- Sadao Kosugi represents Japan in TennisDB's ATP records.
- Is Sadao Kosugi left-handed or right-handed?
- Sadao Kosugi plays right-handed.
- How many Grand Slam singles titles has Sadao Kosugi won?
- Sadao Kosugi has not won a Grand Slam singles title.
- How many Masters 1000 titles has Sadao Kosugi won?
- TennisDB does not group any of Sadao Kosugi's titles under the modern Masters 1000 category.
- What is Sadao Kosugi's highest ATP ranking?
- Sadao Kosugi's career-high ATP singles ranking is world No. 274, first achieved on December 23, 1974.
- What is Sadao Kosugi's career win-loss record?
- Sadao Kosugi has a career ATP singles record of 0 wins and 1 losses (0.0%).
- Which seasons of Sadao Kosugi's career appear in TennisDB?
- Sadao Kosugi appears in TennisDB's ATP main-tour match records in 1974.
- Who has Sadao Kosugi faced most often?
- Sadao Kosugi's most frequent opponent is Kenichi Hirai, with a head-to-head record of 0–1 across 1 meeting.