H2H data updated: 2026-10-17 00:00 UTC

Deon Joubert vs U Unknown H2H: 1-0

Deon Joubert holds a 1–0 lead over U Unknown in their ATP head-to-head. Across 1 main-draw meeting, Deon Joubert leads 1–0 on grass. Most recently, Deon Joubert won the 1980 Eastbourne Open round of 64 UNK.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Deon Joubert
RSA Age 73 Left-Handed
H2H
1 – 0
1 main-draw meetings
U Unknown

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Deon Joubert UNK U Unknown Match data Jun 4, 1980* R64 Eastbourne Open ATP 250 Grass

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
Deon Joubert #739 #52 0 1,633 39 76 33.9% 0 0 0 0 0 0
U Unknown — — — 1,500 — — — 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.

Deon Joubert U Unknown
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
1971 1–1 50.0% — 1,496 0 0 — — — — — — —
1973 2–3 40.0% — 1,501 0 0 — — — — — — —
1974 2–1 66.7% #176 1,546 0 0 — — — — — — —
1975 0–3 0.0% #238 1,512 0 0 — — — — — — —
1976 4–5 44.4% #154 1,552 0 0 — — — — — — —
1977 4–16 20.0% #97 1,510 0 0 — — — — — — —
1978 4–7 36.4% #56 1,526 0 0 — — — — — — —
1979 12–22 35.3% #111 1,542 0 0 — — — — — — —
1980 7–12 36.8% #144 1,522 0 0 — — — — — — —
1981 3–4 42.9% — 1,536 0 0 — — — — — — —
1982 0–1 0.0% — 1,523 0 0 — — — — — — —
1984 0–1 0.0% #463 1,516 0 0 — — — — — — —

Surface Results by Career Season

Rows are aligned in career order because complete birth data is unavailable. 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.

Deon Joubert U Unknown
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 %
1971 1 1 2 50.0% — — — — — — — — — — — — 1968 — — — — 0 3 3 0.0% — — — — 0 1 1 0.0%
1973 0 1 1 0.0% — — — — 2 2 4 50.0% — — — — 1969 — — — — 2 17 19 10.5% 0 2 2 0.0% — — — —
1974 2 1 3 66.7% — — — — — — — — — — — — 1970 0 2 2 0.0% 1 9 10 10.0% 0 2 2 0.0% — — — —
1975 0 1 1 0.0% 0 2 2 0.0% — — — — — — — — 1971 0 2 2 0.0% 0 4 4 0.0% — — — — 0 2 2 0.0%
1976 1 1 2 50.0% 3 4 7 42.9% — — — — — — — — 1972 0 1 1 0.0% — — — — — — — — 0 1 1 0.0%
1977 — — — — 4 14 18 22.2% 0 2 2 0.0% — — — — 1973 — — — — 0 1 1 0.0% 0 1 1 0.0% — — — —
1978 1 2 3 33.3% 3 4 7 42.9% — — — — 0 1 1 0.0% 1974 — — — — — — — — 0 3 3 0.0% — — — —
1979 7 4 11 63.6% 1 8 9 11.1% 0 1 1 0.0% 4 9 13 30.8% 1975 — — — — 0 1 1 0.0% — — — — — — — —
1980 2 4 6 33.3% 4 4 8 50.0% 1 1 2 50.0% 0 3 3 0.0% 1980 — — — — — — — — 0 8 8 0.0% — — — —
1981 2 1 3 66.7% 1 3 4 25.0% — — — — — — — — — — — — — — — — — — — — — — — — —
1982 — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
1984 — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
Career 16 16 32 50.0% 16 41 57 28.1% 3 6 9 33.3% 4 13 17 23.5% Career 0 5 5 0.0% 3 35 38 7.9% 0 16 16 0.0% 0 4 4 0.0%

Advanced Statistics Comparison by Career Season

Rows are aligned in career order because complete birth data is unavailable. Metrics use eligible main-draw results; point statistics use matches with detailed data. 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.

Deon Joubert U Unknown
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
1971 1497 104.2 — — — — — — — 57.1% +1.86 — 0–2 — +0.16 1968 1441 99.5 — — — — — +9 — 33.3% -0.67 0–1 — — +0.11
1973 1502 98.2 — — — — — — +47 42.1% -0.47 1–1 0–1 — +0.45 1969 1338 101.0 — — — — — -53 — 33.3% -1.44 1–1 — — -0.53
1974 1547 107.7 — — — — +32 — — 66.7% 0.00 — — — +0.05 1970 1316 101.2 — — — — — -38 — 20.0% -2.25 — — — -0.20
1975 1513 97.6 — — — — — — — 0.0% -3.17 — 0–1 — +0.10 1971 1285 107.5 — — — — +165 -26 — 14.3% -2.86 0–1 0–1 — +0.11
1976 1553 112.7 — — — — — -11 — 40.0% -1.20 2–0 2–0 — +0.22 1972 1277 102.8 — — — — — — — 20.0% -1.40 0–1 0–1 — +0.12
1977 1511 121.0 — — — — — -27 — 27.7% -1.36 1–4 (20%) 0–2 — -0.95 1973 1273 99.8 — — — — — — — 33.3% -1.33 0–1 0–1 — -0.03
1978 1526 107.9 — — — — +34 -16 — 33.3% -1.42 2–0 1–1 — +0.46 1974 1270 101.0 — — — — — — — 0.0% -2.50 — — — +0.02
1979 1542 127.8 — — — — +88 -95 — 39.3% -0.68 8–8 (50%) 4–5 (44%) 100.0 +1.30 1975 1270 108.0 — — — — — — — 0.0% -3.50 — — — -0.08
1980 1522 107.4 — — — — +53 -30 — 34.2% -1.74 1–1 2–0 — +1.42 1980 1224 — — — — — — — +174 — — — — — +0.59
1981 1537 109.8 — — — — +65 -58 — 47.1% -0.06 1–2 (33%) 0–2 — +0.40 — — — — — — — — — — — — — — — —
1982 1524 103.4 — — — — — — — 33.3% -1.00 0–1 — — +0.08 — — — — — — — — — — — — — — — —
1984 1516 102.1 — — — — — — — 0.0% -3.50 — — — -0.12 — — — — — — — — — — — — — — — —
Career 1633 120.8 — — — — +70 -38 +47 36.6% -0.99 16–17 (48%) 9–14 (39%) 97.8 +3.13 Career 1500 106.0 — — — — +165 -41 +174 24.6% -1.87 1–5 (17%) 0–3 (0%) 94.0 +0.20

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.