H2H data updated: 2026-07-18 14:16 UTC
Ricki Osterthun vs Blaine Willenborg H2H: 1-0
Ricki Osterthun holds a 1–0 lead over Blaine Willenborg in their ATP head-to-head. Across 1 main-draw meeting, Ricki Osterthun leads 1–0 on clay. Most recently, Ricki Osterthun won the 1986 Bologna third round 3-6 6-3 7-5.
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GER
Age 62
Right-Handed
187 cm / 6'2"
H2H
1
–
0
1 main draw meetings
USA
Age 66
Right-Handed
170 cm / 5'7"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Jun 12, 1986* | Bologna | ATP 250 | R32 | Clay | Ricki Osterthun | 3-6 6-3 7-5 | Blaine Willenborg | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ricki Osterthun | #1,123 | #58 | 182 | 1,696 | 60 | 79 | 43.2% | 0 | 0 | 0 | 0 | 1 | 1 |
| Blaine Willenborg | #1,067 | #50 | 0 | 1,623 | 33 | 54 | 37.9% | 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.
| Age | Ricki Osterthun | Blaine Willenborg | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 19 | — | — | — | — | — | — | — | 1979 | 0–1 | 0.0% | #579 | 1,488 | 0 | 0 |
| 20 | 1984 | 2–1 | 66.7% | #193 | 1,540 | 0 | 0 | 1980 | 3–5 | 37.5% | #283 | 1,514 | 0 | 0 |
| 21 | 1985 | 7–10 | 41.2% | #119 | 1,542 | 0 | 1 | — | — | — | — | — | — | — |
| 22 | 1986 | 15–17 | 46.9% | #110 | 1,595 | 0 | 1 | — | — | — | — | — | — | — |
| 23 | 1987 | 19–22 | 46.3% | #75 | 1,620 | 0 | 1 | 1983 | 1–3 | 25.0% | — | 1,524 | 0 | 0 |
| 24 | 1988 | 12–19 | 38.7% | #145 | 1,584 | 0 | 1 | 1984 | 6–10 | 37.5% | #79 | 1,533 | 0 | 0 |
| 25 | 1989 | 4–8 | 33.3% | #180 | 1,558 | 0 | 1 | 1985 | 8–12 | 40.0% | #188 | 1,577 | 0 | 0 |
| 26 | 1990 | 1–2 | 33.3% | #242 | 1,538 | 0 | 1 | 1986 | 5–9 | 35.7% | #160 | 1,534 | 0 | 0 |
| 27 | — | — | — | — | — | — | — | 1987 | 10–11 | 47.6% | #145 | 1,587 | 0 | 0 |
| 28 | — | — | — | — | — | — | — | 1988 | 0–3 | 0.0% | #731 | 1,547 | 0 | 0 |