H2H data updated: 2026-07-18 17:48 UTC

Belus Prajoux vs Jeff Borowiak H2H: 0-1

Jeff Borowiak holds a 1–0 lead over Belus Prajoux in their ATP head-to-head. Across 1 main-draw meeting, Jeff Borowiak leads 1–0 on clay. Most recently, Jeff Borowiak won the 1978 Gstaad quarterfinal 7-6 6-4.

CHI Age 71 Right-Handed 170 cm / 5'7"
H2H
0 1
1 main draw meetings
USA Age 76 Right-Handed 193 cm / 6'4"

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Jul 15, 1978* Gstaad ATP 250 QF Clay Jeff Borowiak #39 7-6 6-4 Belus Prajoux #99 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
Belus Prajoux #941 #62 0 1,729 81 128 38.8% 0 0 0 0 0 0
Jeff Borowiak #920 #20 0 1,941 289 305 48.7% 0 1 0 0 4 5

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 Belus Prajoux Jeff Borowiak
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 1972 0–2 0.0% 1,464 0 0
18 1973 1–2 33.3% #207 1,467 0 0 1968 6–10 37.5% 1,471 0 0
19 1974 9–20 31.0% #116 1,476 0 0 1969 3–2 60.0% 1,512 0 0
20 1975 12–16 42.9% #138 1,598 0 0 1970 6–7 46.2% 1,566 0 0
21 1976 13–14 48.1% #66 1,695 0 0 1971 26–20 56.5% 1,782 0 0
22 1977 16–20 44.4% #129 1,675 0 0 1972 20–28 41.7% 1,828 0 0
23 1978 12–17 41.4% #111 1,645 0 0 1973 21–33 38.9% #82 1,732 0 0
24 1979 1–5 16.7% #111 1,599 0 0 1974 34–27 55.7% #40 1,853 0 2
25 1980 8–14 36.4% #154 1,617 0 0 1975 32–27 54.2% #48 1,804 0 2
26 1981 6–11 35.3% #154 1,592 0 0 1976 18–23 43.9% #60 1,720 0 2
27 1982 2–2 50.0% #188 1,583 0 0 1977 45–23 66.2% #25 1,812 0 5
28 1983 1–4 20.0% #172 1,550 0 0 1978 16–25 39.0% #98 1,671 0 5
29 1979 5–13 27.8% #125 1,614 0 5
30 1980 5–5 50.0% #189 1,668 0 5
31 1986 0–1 0.0% #567 1,532 0 0 1981 18–19 48.6% #52 1,763 0 5
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