H2H data updated: 2026-07-17 14:15 UTC
Claudio Mezzadri vs Ricki Osterthun H2H: 3-0
Claudio Mezzadri holds a 3–0 lead over Ricki Osterthun in their ATP head-to-head. Across 3 main-draw meetings, Claudio Mezzadri leads 2–0 on clay and 1–0 on hard courts. Most recently, Claudio Mezzadri won the 1988 Hamburg fourth round 3-6 6-1 6-4.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
SUI
Age 61
Right-Handed
180 cm / 5'11"
H2H
3
–
0
3 main draw meetings
GER
Age 62
Right-Handed
187 cm / 6'2"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Apr 29, 1988* | Hamburg | ATP 250 | R16 | Clay | Claudio Mezzadri | 3-6 6-1 6-4 | Ricki Osterthun | Match data |
| Oct 22, 1987* | Vienna | ATP 250 | R32 | Hard | Claudio Mezzadri | 6-1 7-5 | Ricki Osterthun | Match data |
| Aug 6, 1986* | Kitzbuhel | ATP 250 | R64 | Clay | Claudio Mezzadri | 6-3 6-2 | Ricki 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Claudio Mezzadri | #1,238 | #26 | 539 | 1,795 | 105 | 131 | 44.5% | 0 | 0 | 0 | 0 | 1 | 1 |
| Ricki Osterthun | #1,123 | #58 | 182 | 1,696 | 60 | 79 | 43.2% | 0 | 0 | 0 | 0 | 1 | 1 |
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 | Claudio Mezzadri | Ricki Osterthun | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 18 | 1983 | 1–3 | 25.0% | #831 | 1,482 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 1984 | 7–11 | 38.9% | #151 | 1,503 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 1985 | 5–8 | 38.5% | #135 | 1,513 | 0 | 0 | 1984 | 2–1 | 66.7% | #193 | 1,540 | 0 | 0 |
| 21 | 1986 | 12–16 | 42.9% | #138 | 1,584 | 0 | 0 | 1985 | 7–10 | 41.2% | #119 | 1,542 | 0 | 1 |
| 22 | 1987 | 25–16 | 61.0% | #28 | 1,767 | 0 | 1 | 1986 | 15–17 | 46.9% | #110 | 1,595 | 0 | 1 |
| 23 | 1988 | 13–15 | 46.4% | #105 | 1,658 | 0 | 1 | 1987 | 19–22 | 46.3% | #75 | 1,620 | 0 | 1 |
| 24 | 1989 | 10–14 | 41.7% | #230 | 1,580 | 0 | 1 | 1988 | 12–19 | 38.7% | #145 | 1,584 | 0 | 1 |
| 25 | 1990 | 2–3 | 40.0% | #305 | 1,584 | 0 | 1 | 1989 | 4–8 | 33.3% | #180 | 1,558 | 0 | 1 |
| 26 | 1991 | 5–7 | 41.7% | #127 | 1,589 | 0 | 1 | 1990 | 1–2 | 33.3% | #242 | 1,538 | 0 | 1 |
| 27 | 1992 | 13–16 | 44.8% | #97 | 1,596 | 0 | 1 | — | — | — | — | — | — | — |
| 28 | 1993 | 12–22 | 35.3% | #134 | 1,518 | 0 | 1 | — | — | — | — | — | — | — |