H2H data updated: 2026-07-14 14:15 UTC
M. Riessen vs G. Merlo H2H: 1-0
Compare the head-to-head record, career totals, season-by-season performance, and match log for M. Riessen vs G. Merlo.
Browse and filter notable rivalries
USA
Age 84
Right-Handed
185 cm / 6'1"
H2H
1
–
0
1 main draw meetings
ITA
Right-Handed
Career Comparison
| Metric | M. Riessen | G. Merlo |
|---|---|---|
| Peak Ranking | #11 | #158 |
| Peak Points | 0 | 0 |
| Peak Elo | 2,101 | 1,540 |
| Singles W-L | 533–316 | 10–15 |
| Win % | 62.8% | 40.0% |
| Grand Slam titles | 0 | 0 |
| Masters 1000 titles | 1 | 0 |
| ATP Finals titles | 0 | 0 |
| ATP 500 titles | 0 | 0 |
| ATP 250 titles | 14 | 0 |
| Total titles | 15 | 0 |
| Age | M. Riessen | G. Merlo | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | W-L | Win % | Rank | Elo | GS | Titles | Season | W-L | Win % | Rank | Elo | GS | Titles | |
| 26 | 1968 | 95–36 | 72.5% | — | 1,661 | 0 | 6 | — | — | — | — | — | — | — |
| 27 | 1969 | 47–34 | 58.0% | — | 1,818 | 0 | 7 | — | — | — | — | — | — | — |
| 28 | 1970 | 52–29 | 64.2% | — | 1,936 | 0 | 9 | — | — | — | — | — | — | — |
| 29 | 1971 | 68–31 | 68.7% | — | 1,984 | 0 | 10 | — | — | — | — | — | — | — |
| 30 | 1972 | 55–28 | 66.3% | — | 1,968 | 0 | 11 | — | — | — | — | — | — | — |
| 31 | 1973 | 46–25 | 64.8% | #13 | 1,858 | 0 | 12 | — | — | — | — | — | — | — |
| 32 | 1974 | 55–24 | 69.6% | #12 | 1,953 | 0 | 13 | — | — | — | — | — | — | — |
| 33 | 1975 | 23–16 | 59.0% | #24 | 1,872 | 0 | 14 | — | — | — | — | — | — | — |
| 34 | 1976 | 18–23 | 43.9% | #59 | 1,822 | 0 | 14 | — | — | — | — | — | — | — |
| 35 | 1977 | 18–19 | 48.6% | #57 | 1,829 | 0 | 14 | — | — | — | — | — | — | — |
| 36 | 1978 | 11–11 | 50.0% | #83 | 1,785 | 0 | 14 | — | — | — | — | — | — | — |
| 37 | 1979 | 34–23 | 59.6% | #37 | 1,831 | 0 | 15 | — | — | — | — | — | — | — |
| 38 | 1980 | 10–13 | 43.5% | #92 | 1,691 | 0 | 15 | — | — | — | — | — | — | — |
| 39 | 1981 | 1–4 | 20.0% | #93 | 1,688 | 0 | 15 | — | — | — | — | — | — | — |
| 40 | — | — | — | — | — | — | — | 1968 | 7–10 | 41.2% | — | 1,470 | 0 | 0 |
| 41 | — | — | — | — | — | — | — | 1969 | 1–2 | 33.3% | — | 1,452 | 0 | 0 |
| 42 | — | — | — | — | — | — | — | 1970 | 0–1 | 0.0% | — | 1,438 | 0 | 0 |
| 44 | — | — | — | — | — | — | — | 1972 | 1–1 | 50.0% | — | 1,456 | 0 | 0 |
| 45 | — | — | — | — | — | — | — | 1973 | 1–1 | 50.0% | #177 | 1,470 | 0 | 0 |
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Jun 13, 1968* | Lugano | ATP 250 | R32 | Clay | M. Riessen | 6-8 6-3 6-1 | G. Merlo | Match data |