H2H data updated: 2026-07-14 14:15 UTC

G. Guerrero vs R. Osterthun H2H: 1-0

Compare the head-to-head record, career totals, season-by-season performance, and match log for G. Guerrero vs R. Osterthun.

Browse and filter notable rivalries

G. Guerrero
ARG Age 66 Left-Handed 180 cm / 5'11"
H2H
1 – 0
1 main draw meetings
R. Osterthun
GER Age 62 Right-Handed 187 cm / 6'2"

Career Comparison

MetricG. GuerreroR. Osterthun
Peak Ranking #78 #58
Peak Points 9 182
Peak Elo 1,523 1,696
Singles W-L 6–20 60–79
Win % 23.1% 43.2%
Grand Slam titles 0 0
Masters 1000 titles 0 0
ATP Finals titles 0 0
ATP 500 titles 0 0
ATP 250 titles 0 1
Total titles 0 1
Age G. Guerrero R. Osterthun
SeasonW-LWin %RankEloGSTitles SeasonW-LWin %RankEloGSTitles
11 1971 0–1 0.0% — 1,479 0 0 — — — — — — —
19 1979 0–1 0.0% #347 1,467 0 0 — — — — — — —
20 1980 3–4 42.9% #84 1,494 0 0 1984 2–1 66.7% #193 1,540 0 0
21 1981 1–9 10.0% #100 1,442 0 0 1985 7–10 41.2% #119 1,542 0 1
22 — — — — — — — 1986 15–17 46.9% #110 1,595 0 1
23 1983 0–1 0.0% #337 1,437 0 0 1987 19–22 46.3% #75 1,620 0 1
24 1984 0–1 0.0% #320 1,432 0 0 1988 12–19 38.7% #145 1,584 0 1
25 1985 1–1 50.0% #201 1,444 0 0 1989 4–8 33.3% #180 1,558 0 1
26 1986 0–1 0.0% #312 1,431 0 0 1990 1–2 33.3% #242 1,538 0 1
27 1987 1–1 50.0% #266 1,446 0 0 — — — — — — —

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Nov 19, 1987* Buenos Aires ATP 250 R32 Clay G. Guerrero #285 7-5 7-6 R. Osterthun #72 Match data