H2H data updated: 2026-09-02 00:00 UTC

Jeff Borowiak vs Patrick Proisy H2H: 1-0

Jeff Borowiak holds a 1–0 lead over Patrick Proisy in their ATP head-to-head. Across 1 main-draw meeting, Jeff Borowiak leads 1–0 on clay. Most recently, Jeff Borowiak won the 1974 Canadian Open round of 64 6-2 6-3.

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Jeff Borowiak
USA Age 76 Right-Handed 193 cm / 6'4"
H2H
1 – 0
1 main draw meetings
Patrick Proisy
FRA Age 76 Right-Handed 180 cm / 5'11"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Jeff Borowiak #44 6-2 6-3 Patrick Proisy #68 Match data Aug 14, 1974* R64 Canadian Open ATP 500 Clay

Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 including documented historical predecessor categories Finals 500 including documented historical predecessor categories 250 including documented historical predecessor categories Titles
Jeff Borowiak #920 #20 0 1,958 290 304 48.8% 0 0 0 0 5 5
Patrick Proisy #232 #23 0 1,876 222 196 53.1% 0 0 0 0 1 1

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 Patrick Proisy
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
18 1968 6–10 37.5% — 1,470 0 0 1968 1–4 20.0% — 1,454 0 0
19 1969 3–2 60.0% — 1,511 0 0 1969 8–9 47.1% — 1,503 0 0
20 1970 6–7 46.2% — 1,564 0 0 1970 0–3 0.0% — 1,475 0 0
21 1971 26–20 56.5% — 1,759 0 0 1971 27–18 60.0% — 1,719 0 0
22 1972 20–28 41.7% — 1,825 0 0 1972 36–21 63.2% — 1,727 0 0
23 1973 21–33 38.9% #82 1,732 0 0 1973 32–22 59.3% #41 1,770 0 0
24 1974 34–26 56.7% #40 1,858 0 2 1974 15–22 40.5% #69 1,670 0 0
25 1975 31–26 54.4% #48 1,807 0 2 1975 24–17 58.5% #43 1,764 0 0
26 1976 18–23 43.9% #60 1,724 0 2 1976 14–15 48.3% #104 1,679 0 0
27 1977 47–24 66.2% #25 1,825 0 5 1977 25–18 58.1% #44 1,772 0 1
28 1978 16–25 39.0% #98 1,671 0 5 1978 12–12 50.0% #96 1,730 0 1
29 1979 5–13 27.8% #125 1,617 0 5 1979 14–13 51.9% #93 1,684 0 1
30 1980 5–5 50.0% #189 1,670 0 5 1980 11–16 40.7% #158 1,621 0 1
31 1981 18–19 48.6% #52 1,763 0 5 1981 3–6 33.3% — 1,565 0 1
32 1982 21–20 51.2% #94 1,742 0 5 — — — — — — —
33 1983 13–19 40.6% #98 1,652 0 5 — — — — — — —
34 1984 0–4 0.0% #520 1,599 0 5 — — — — — — —

Surface Results by Age

Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.

Age Jeff Borowiak Patrick Proisy
Yr HardClayGrassCarpet Yr HardClayGrassCarpet
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
18 1968 4 2 6 66.7% 1 2 3 33.3% 1 5 6 16.7% 0 1 1 0.0% 1968 — — — — 1 2 3 33.3% — — — — 0 2 2 0.0%
19 1969 3 1 4 75.0% 0 1 1 0.0% — — — — — — — — 1969 — — — — 6 5 11 54.5% 2 3 5 40.0% 0 1 1 0.0%
20 1970 1 1 2 50.0% 2 3 5 40.0% 3 2 5 60.0% 0 1 1 0.0% 1970 — — — — 0 1 1 0.0% 0 1 1 0.0% 0 1 1 0.0%
21 1971 11 10 21 52.4% 6 5 11 54.5% 4 3 7 57.1% 5 2 7 71.4% 1971 4 4 8 50.0% 20 11 31 64.5% 3 3 6 50.0% — — — —
22 1972 9 9 18 50.0% 1 5 6 16.7% 0 1 1 0.0% 10 13 23 43.5% 1972 6 4 10 60.0% 17 7 24 70.8% 10 8 18 55.6% 3 2 5 60.0%
23 1973 8 8 16 50.0% 9 12 21 42.9% 1 3 4 25.0% 3 10 13 23.1% 1973 1 3 4 25.0% 21 14 35 60.0% 8 4 12 66.7% 2 1 3 66.7%
24 1974 9 9 18 50.0% 13 11 24 54.2% 2 3 5 40.0% 10 3 13 76.9% 1974 4 5 9 44.4% 6 9 15 40.0% 1 2 3 33.3% 4 6 10 40.0%
25 1975 11 9 20 55.0% 8 10 18 44.4% 3 2 5 60.0% 9 5 14 64.3% 1975 0 1 1 0.0% 24 15 39 61.5% 0 1 1 0.0% — — — —
26 1976 3 3 6 50.0% 12 10 22 54.5% 0 2 2 0.0% 3 8 11 27.3% 1976 1 1 2 50.0% 12 12 24 50.0% 1 2 3 33.3% — — — —
27 1977 7 8 15 46.7% 19 5 24 79.2% 0 2 2 0.0% 21 9 30 70.0% 1977 1 1 2 50.0% 24 17 41 58.5% — — — — — — — —
28 1978 1 5 6 16.7% 13 9 22 59.1% 0 3 3 0.0% 2 8 10 20.0% 1978 2 3 5 40.0% 10 9 19 52.6% — — — — — — — —
29 1979 0 3 3 0.0% 2 5 7 28.6% 1 1 2 50.0% 2 4 6 33.3% 1979 0 3 3 0.0% 14 10 24 58.3% — — — — — — — —
30 1980 3 3 6 50.0% — — — — — — — — 2 2 4 50.0% 1980 4 2 6 66.7% 6 12 18 33.3% — — — — 1 2 3 33.3%
31 1981 11 9 20 55.0% 2 3 5 40.0% 3 2 5 60.0% 2 5 7 28.6% 1981 0 1 1 0.0% 3 5 8 37.5% — — — — — — — —
32 1982 4 7 11 36.4% 4 3 7 57.1% 10 6 16 62.5% 3 4 7 42.9% — — — — — — — — — — — — — — — — —
33 1983 1 6 7 14.3% 7 5 12 58.3% 2 4 6 33.3% 3 4 7 42.9% — — — — — — — — — — — — — — — — —
34 1984 0 1 1 0.0% 0 2 2 0.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
Career — 86 94 180 47.8% 99 91 190 52.1% 30 40 70 42.9% 75 79 154 48.7% — 23 28 51 45.1% 164 129 293 56.0% 25 24 49 51.0% 10 15 25 40.0%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. Metrics are precomputed from eligible main-draw results; point-stat values use the available detailed sample. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.

Age Jeff Borowiak Patrick Proisy
Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule
18 1968 1471 97.5 — — — — +106 +20 -42 37.8% -0.84 0–2 — — +0.39 1968 1455 96.4 — — — — — — — 10.0% -3.00 0–1 — — -0.46
19 1969 1512 107.1 — — — — +167 — — 50.0% +0.43 3–1 (75%) — — +0.31 1969 1504 114.5 — — — — — +51 +6 48.7% -0.13 0–4 (0%) — — -0.31
20 1970 1565 109.0 — — — — +89 -54 -66 46.7% -0.47 1–0 0–2 — -0.25 1970 1475 103.1 — — — — — — — 11.1% -2.56 — — — -0.27
21 1971 1759 131.8 — — — — +6 -154 -148 53.0% +0.15 10–5 (67%) 9–6 (60%) — -1.12 1971 1719 138.7 — — — — -176 +66 -189 59.2% +0.70 4–5 (44%) 4–1 (80%) — -0.87
22 1972 1826 149.5 — — — — +40 -240 — 43.2% -0.46 10–10 (50%) 9–10 (47%) — -7.30 1972 1727 135.4 — — — — -76 +206 -140 61.0% +0.94 9–8 (53%) 5–9 (36%) — +2.17
23 1973 1733 135.6 — — — — +29 -103 -173 43.0% -0.37 9–15 (38%) 7–10 (41%) — -4.54 1973 1771 139.5 — — — — -85 +42 +8 59.9% +0.50 3–9 (25%) 10–4 (71%) — +1.32
24 1974 1859 146.3 — — — — +25 -114 -273 56.0% +0.23 8–10 (44%) 12–6 (67%) — -4.92 1974 1670 129.2 — — — — -15 +62 +71 46.2% -0.18 4–8 (33%) 3–5 (38%) — -0.86
25 1975 1808 148.3 — — — — +64 -110 -178 53.6% +0.42 11–12 (48%) 5–9 (36%) — -5.88 1975 1765 142.4 — — — — — +60 — 53.3% +0.49 6–4 (60%) 3–4 (43%) — +0.52
26 1976 1725 143.4 — — — — +66 -6 — 47.9% -0.08 9–9 (50%) 6–8 (43%) — -2.54 1976 1680 132.0 — — — — — +32 0 50.0% +0.28 5–7 (42%) 3–3 (50%) — +0.81
27 1977 1825 151.8 — — — — -12 +75 — 61.0% +0.81 14–7 (67%) 9–9 (50%) — +0.48 1977 1773 134.5 — — — — — +9 — 55.4% +0.44 6–5 (55%) 2–2 (50%) — +2.04
28 1978 1672 145.7 — — — — -11 +208 -147 43.0% -0.37 3–6 (33%) 4–4 (50%) — -3.12 1978 1730 128.5 — — — — -120 +32 — 53.3% +0.15 5–6 (45%) 1–2 (33%) — +0.58
29 1979 1618 131.4 — — — — -19 +166 — 38.3% -0.58 2–5 (29%) 3–6 (33%) — -1.00 1979 1685 129.7 — — — — -133 +67 — 57.1% +0.32 0–7 (0%) 5–5 (50%) — +1.95
30 1980 1671 131.2 — — — — -19 — — 59.1% +0.91 1–3 (25%) 1–1 — -0.33 1980 1622 131.3 — — — — -2 +9 — 43.1% +0.03 6–6 (50%) 4–7 (36%) — +0.51
31 1981 1764 143.3 — — — — -10 -18 -91 48.9% -0.23 4–5 (44%) 10–10 (50%) — -1.40 1981 1565 102.1 — — — — — +27 — 31.6% -1.42 0–1 2–0 — +1.38
32 1982 1742 140.8 — — — — -6 -6 -10 53.5% +0.11 4–8 (33%) 9–8 (53%) — -2.10 — — — — — — — — — — — — — — — —
33 1983 1652 129.5 — — — — -39 +97 +56 43.8% -0.57 5–5 (50%) 9–4 (69%) — -1.80 — — — — — — — — — — — — — — — —
34 1984 1599 108.8 — — — — — — — 20.0% -1.60 0–2 0–1 — -0.33 — — — — — — — — — — — — — — — —
Career — 1959 147.5 — — — — +19 -10 -85 49.6% -0.02 94–105 (47%) 93–94 (50%) 100.6 -6.02 — 1877 139.3 — — — — -67 +55 -71 53.6% +0.33 48–71 (40%) 42–42 (50%) 92.8 +2.07

Career Rivalries

Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.