H2H data updated: 2026-07-19 02:51 UTC

Jeff Borowiak vs Jun Kuki H2H: 1-1

Jeff Borowiak and Jun Kuki are tied 1–1 in their ATP head-to-head. Across 2 main-draw meetings, Jeff Borowiak leads 1–0 on grass, while Jun Kuki leads 1–0 on hard courts. Most recently, Jeff Borowiak won the 1975 Nottingham third round 6-2 6-3.

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Jeff Borowiak
USA Age 76 Right-Handed 193 cm / 6'4"
H2H
1 – 1
2 main draw meetings
Jun Kuki
JPN Age 80 Right-Handed

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Jun 19, 1975* Nottingham ATP 250 R32 Grass Jeff Borowiak #50 6-2 6-3 Jun Kuki #107 Match data
Oct 10, 1973* Osaka ATP 250 R32 Hard Jun Kuki 7-6 6-1 Jeff Borowiak #91 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
Jeff Borowiak #920 #20 0 1,941 289 305 48.7% 0 1 0 0 4 5
Jun Kuki #523 #74 0 1,662 73 134 35.3% 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 Jeff Borowiak Jun Kuki
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
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 — — — — — — —
22 1972 20–28 41.7% — 1,828 0 0 1968 2–6 25.0% — 1,450 0 0
23 1973 21–33 38.9% #82 1,732 0 0 1969 1–4 20.0% — 1,429 0 0
24 1974 34–27 55.7% #40 1,853 0 2 1970 3–12 20.0% — 1,406 0 0
25 1975 32–27 54.2% #48 1,804 0 2 1971 9–12 42.9% — 1,492 0 0
26 1976 18–23 43.9% #60 1,720 0 2 1972 5–12 29.4% — 1,464 0 0
27 1977 45–23 66.2% #25 1,812 0 5 1973 3–8 27.3% #217 1,461 0 0
28 1978 16–25 39.0% #98 1,671 0 5 1974 10–17 37.0% #101 1,594 0 0
29 1979 5–13 27.8% #125 1,614 0 5 1975 11–28 28.2% #161 1,455 0 0
30 1980 5–5 50.0% #189 1,668 0 5 1976 19–17 52.8% #78 1,610 0 0
31 1981 18–19 48.6% #52 1,763 0 5 1977 3–11 21.4% #201 1,547 0 0
32 1982 21–20 51.2% #94 1,740 0 5 1978 3–2 60.0% #146 1,586 0 0
33 1983 13–19 40.6% #98 1,651 0 5 1979 1–2 33.3% #389 1,577 0 0
34 1984 0–4 0.0% #520 1,598 0 5 1980 0–1 0.0% #356 1,564 0 0
35 — — — — — — — 1981 2–1 66.7% #356 1,597 0 0
36 — — — — — — — 1982 1–1 50.0% — 1,596 0 0