H2H data updated: 2026-07-18 02:15 UTC

Harald Theissen vs Jeff Borowiak H2H: 0-2

Jeff Borowiak holds a 2–0 lead over Harald Theissen in their ATP head-to-head. Across 2 main-draw meetings, Jeff Borowiak leads 1–0 on clay and 1–0 on grass. Most recently, Jeff Borowiak won the 1982 Sydney Outdoor third round 6-2 6-3.

GER Age 67 Right-Handed
H2H
0 2
2 main draw meetings
USA Age 76 Right-Handed 193 cm / 6'4"

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Dec 16, 1982* Sydney Outdoor ATP 250 R32 Grass Jeff Borowiak #91 6-2 6-3 Harald Theissen #215 Match data
Jul 22, 1982* Kitzbuhel ATP 250 R32 Clay Jeff Borowiak #63 6-1 7-6 Harald Theissen #215 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
Harald Theissen #1,015 #214 0 1,545 7 13 35.0% 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 Harald Theissen Jeff Borowiak
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 1981 2–2 50.0% #510 1,520 0 0 1972 20–28 41.7% 1,828 0 0
23 1982 4–9 30.8% #215 1,528 0 0 1973 21–33 38.9% #82 1,732 0 0
24 1983 1–2 33.3% #214 1,520 0 0 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
30 1980 5–5 50.0% #189 1,668 0 5
31 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