H2H data updated: 2026-07-14 14:15 UTC
J. Borowiak vs K. Hirai H2H: 1-0
Compare the head-to-head record, career totals, season-by-season performance, and match log for J. Borowiak vs K. Hirai.
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USA
Age 76
Right-Handed
193 cm / 6'4"
H2H
1
–
0
1 main draw meetings
JPN
Age 76
Right-Handed
Career Comparison
| Metric | J. Borowiak | K. Hirai |
|---|---|---|
| Peak Ranking | #20 | #180 |
| Peak Points | 0 | 0 |
| Peak Elo | 1,941 | 1,505 |
| Singles W-L | 289–305 | 7–32 |
| Win % | 48.7% | 17.9% |
| Grand Slam titles | 0 | 0 |
| Masters 1000 titles | 1 | 0 |
| ATP Finals titles | 0 | 0 |
| ATP 500 titles | 0 | 0 |
| ATP 250 titles | 4 | 0 |
| Total titles | 5 | 0 |
| Age | J. Borowiak | K. Hirai | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | W-L | Win % | Rank | Elo | GS | Titles | Season | W-L | Win % | Rank | Elo | GS | Titles | |
| 18 | 1968 | 6–10 | 37.5% | — | 1,471 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 1969 | 3–2 | 60.0% | — | 1,512 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 1970 | 6–7 | 46.2% | — | 1,566 | 0 | 0 | — | — | — | — | — | — | — |
| 21 | 1971 | 26–20 | 56.5% | — | 1,782 | 0 | 0 | 1971 | 1–7 | 12.5% | — | 1,443 | 0 | 0 |
| 22 | 1972 | 20–28 | 41.7% | — | 1,828 | 0 | 0 | 1972 | 2–3 | 40.0% | — | 1,465 | 0 | 0 |
| 23 | 1973 | 21–33 | 38.9% | #82 | 1,732 | 0 | 0 | 1973 | 1–5 | 16.7% | #226 | 1,459 | 0 | 0 |
| 24 | 1974 | 34–27 | 55.7% | #40 | 1,853 | 0 | 2 | 1974 | 1–4 | 20.0% | #228 | 1,438 | 0 | 0 |
| 25 | 1975 | 32–27 | 54.2% | #48 | 1,804 | 0 | 2 | 1975 | 0–4 | 0.0% | #252 | 1,413 | 0 | 0 |
| 26 | 1976 | 18–23 | 43.9% | #60 | 1,720 | 0 | 2 | 1976 | 2–4 | 33.3% | #187 | 1,438 | 0 | 0 |
| 27 | 1977 | 45–23 | 66.2% | #25 | 1,812 | 0 | 5 | 1977 | 0–2 | 0.0% | #332 | 1,420 | 0 | 0 |
| 28 | 1978 | 16–25 | 39.0% | #98 | 1,671 | 0 | 5 | 1978 | 0–2 | 0.0% | #496 | 1,413 | 0 | 0 |
| 29 | 1979 | 5–13 | 27.8% | #125 | 1,614 | 0 | 5 | — | — | — | — | — | — | — |
| 30 | 1980 | 5–5 | 50.0% | #189 | 1,668 | 0 | 5 | — | — | — | — | — | — | — |
| 31 | 1981 | 18–19 | 48.6% | #52 | 1,763 | 0 | 5 | 1981 | 0–1 | 0.0% | #549 | 1,399 | 0 | 0 |
| 32 | 1982 | 21–20 | 51.2% | #94 | 1,740 | 0 | 5 | — | — | — | — | — | — | — |
| 33 | 1983 | 13–19 | 40.6% | #98 | 1,651 | 0 | 5 | — | — | — | — | — | — | — |
| 34 | 1984 | 0–4 | 0.0% | #520 | 1,598 | 0 | 5 | — | — | — | — | — | — | — |
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Aug 24, 1971* | Merion | ATP 250 | R64 | Hard | J. Borowiak | 7-5 7-6 | K. Hirai | Match data |