H2H data updated: 2026-07-14 14:15 UTC
M. Riessen vs Klaus Unverdross H2H: 1-0
M. Riessen holds a 1–0 lead over Klaus Unverdross in their ATP head-to-head. Across 1 main-draw meeting, M. Riessen leads 1–0 on clay. Most recently, M. Riessen won the 1968 Berlin third round 6-3 6-1 6-3.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Jun 1, 1968* | Berlin | ATP 250 | R32 | Clay | M. Riessen | 6-3 6-1 6-3 | Klaus Unverdross | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M. Riessen | #382 | #11 | 0 | 2,101 | 533 | 316 | 62.8% | 0 | 1 | 0 | 0 | 14 | 15 |
| Klaus Unverdross | — | — | — | 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.
| M. Riessen | Klaus Unverdross | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1968 | 95–36 | 72.5% | — | 1,661 | 0 | 6 | — | — | — | — | — | — | — |
| 1969 | 47–34 | 58.0% | — | 1,818 | 0 | 7 | — | — | — | — | — | — | — |
| 1970 | 52–29 | 64.2% | — | 1,936 | 0 | 9 | — | — | — | — | — | — | — |
| 1971 | 68–31 | 68.7% | — | 1,984 | 0 | 10 | — | — | — | — | — | — | — |
| 1972 | 55–28 | 66.3% | — | 1,968 | 0 | 11 | — | — | — | — | — | — | — |
| 1973 | 46–25 | 64.8% | #13 | 1,858 | 0 | 12 | — | — | — | — | — | — | — |
| 1974 | 55–24 | 69.6% | #12 | 1,953 | 0 | 13 | — | — | — | — | — | — | — |
| 1975 | 23–16 | 59.0% | #24 | 1,872 | 0 | 14 | — | — | — | — | — | — | — |
| 1976 | 18–23 | 43.9% | #59 | 1,822 | 0 | 14 | — | — | — | — | — | — | — |
| 1977 | 18–19 | 48.6% | #57 | 1,829 | 0 | 14 | — | — | — | — | — | — | — |
| 1978 | 11–11 | 50.0% | #83 | 1,785 | 0 | 14 | — | — | — | — | — | — | — |
| 1979 | 34–23 | 59.6% | #37 | 1,831 | 0 | 15 | — | — | — | — | — | — | — |
| 1980 | 10–13 | 43.5% | #92 | 1,691 | 0 | 15 | — | — | — | — | — | — | — |
| 1981 | 1–4 | 20.0% | #93 | 1,688 | 0 | 15 | — | — | — | — | — | — | — |