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

Jeff Borowiak vs Ion Tiriac H2H: 1-1

Jeff Borowiak and Ion Tiriac are tied 1–1 in their ATP head-to-head. Across 2 main-draw meetings, Jeff Borowiak leads 1–0 on clay, while Ion Tiriac leads 1–0 on grass. Most recently, Jeff Borowiak won the 1977 Columbus third round 6-1 6-1.

USA Age 76 Right-Handed 193 cm / 6'4"
H2H
1 1
2 main draw meetings
ROU Age 87 Right-Handed 185 cm / 6'1"

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Aug 11, 1977* Columbus ATP 250 R32 Clay Jeff Borowiak #31 6-1 6-1 Ion Tiriac #173 Match data
Sep 2, 1973* US Open Grand Slam R64 Grass Ion Tiriac #87 6-4 7-6 7-5 Jeff Borowiak #115 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
Ion Tiriac #439 #55 0 1,899 228 190 54.5% 0 0 0 0 8 8

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 Ion Tiriac
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
23 1973 21–33 38.9% #82 1,732 0 0
24 1974 34–27 55.7% #40 1,853 0 2
25 1975 32–27 54.2% #48 1,804 0 2
26 1976 18–23 43.9% #60 1,720 0 2
27 1977 45–23 66.2% #25 1,812 0 5
28 1978 16–25 39.0% #98 1,671 0 5
29 1979 5–13 27.8% #125 1,614 0 5 1968 60–12 83.3% 1,804 0 6
30 1980 5–5 50.0% #189 1,668 0 5 1969 14–14 50.0% 1,755 0 6
31 1981 18–19 48.6% #52 1,763 0 5 1970 34–22 60.7% 1,795 0 7
32 1982 21–20 51.2% #94 1,740 0 5 1971 27–16 62.8% 1,778 0 8
33 1983 13–19 40.6% #98 1,651 0 5 1972 21–25 45.7% 1,654 0 8
34 1984 0–4 0.0% #520 1,598 0 5 1973 35–35 50.0% #74 1,683 0 8
35 1974 10–15 40.0% #72 1,622 0 8
36 1975 8–11 42.1% #138 1,589 0 8
37 1976 1–7 12.5% #248 1,534 0 8
38 1977 15–20 42.9% #103 1,633 0 8
39 1978 2–10 16.7% #263 1,523 0 8
40 1979 1–3 25.0% #439 1,525 0 8