H2H data updated: 2026-07-14 14:15 UTC
R. Osterthun vs Sammy Giammalva Jr H2H: 0-1
Sammy Giammalva Jr holds a 1–0 lead over R. Osterthun in their ATP head-to-head. Across 1 main-draw meeting, Sammy Giammalva Jr leads 1–0 on grass. Most recently, Sammy Giammalva Jr won the 1988 Wimbledon first round 6-7 6-2 6-1 4-6 6-4.
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GER
Age 62
Right-Handed
187 cm / 6'2"
H2H
0
–
1
1 main draw meetings
Age 63
Right-Handed
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Jun 22, 1988* | Wimbledon | Grand Slam | R128 | Grass | Sammy Giammalva Jr | 6-7 6-2 6-1 4-6 6-4 | R. Osterthun | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| R. Osterthun | #1,123 | #58 | 182 | 1,696 | 60 | 79 | 43.2% | 0 | 0 | 0 | 0 | 1 | 1 |
| Sammy Giammalva Jr | — | — | — | 1,802 | — | — | — | 0 | 0 | 0 | 0 | 2 | 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 | R. Osterthun | Sammy Giammalva Jr | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 20 | 1984 | 2–1 | 66.7% | #193 | 1,540 | 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 | — | — | — | — | — | — | — |
| 24 | 1988 | 12–19 | 38.7% | #145 | 1,584 | 0 | 1 | — | — | — | — | — | — | — |
| 25 | 1989 | 4–8 | 33.3% | #180 | 1,558 | 0 | 1 | — | — | — | — | — | — | — |
| 26 | 1990 | 1–2 | 33.3% | #242 | 1,538 | 0 | 1 | — | — | — | — | — | — | — |