H2H data updated: 2026-07-18 02:15 UTC
Colin Dibley vs Dennis Ralston H2H: 3-0
Colin Dibley holds a 3–0 lead over Dennis Ralston in their ATP head-to-head. Across 3 main-draw meetings, Colin Dibley leads 2–0 on hard courts and 1–0 on grass. Most recently, Colin Dibley won the 1976 Boca Raton fourth round 6-7 7-5 7-6.
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AUS
Age 81
Right-Handed
188 cm / 6'2"
H2H
3
–
0
3 main draw meetings
USA
Right-Handed
188 cm / 6'2"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Feb 6, 1976* | Boca Raton | ATP 250 | R16 | Hard | Colin Dibley | 6-7 7-5 7-6 | Dennis Ralston | Match data |
| May 17, 1973* | Las Vegas | ATP 250 | R32 | Hard | Colin Dibley | 6-4 4-6 7-6 | Dennis Ralston | Match data |
| Jun 27, 1971* | Wimbledon | Grand Slam | R32 | Grass | Colin Dibley | 3-6 8-9 6-3 6-0 10-8 | Dennis Ralston | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Colin Dibley | #240 | #33 | 0 | 1,875 | 338 | 310 | 52.2% | 0 | 0 | 0 | 0 | 5 | 5 |
| Dennis Ralston | #287 | #115 | 0 | 1,954 | 157 | 136 | 53.6% | 0 | 0 | 0 | 0 | 6 | 6 |
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 | Colin Dibley | Dennis Ralston | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 23 | 1968 | 3–2 | 60.0% | — | 1,521 | 0 | 0 | — | — | — | — | — | — | — |
| 25 | 1970 | 7–10 | 41.2% | — | 1,528 | 0 | 0 | 1968 | 48–25 | 65.8% | — | 1,683 | 0 | 5 |
| 26 | 1971 | 41–21 | 66.1% | — | 1,757 | 0 | 1 | 1969 | 28–24 | 53.8% | — | 1,790 | 0 | 5 |
| 27 | 1972 | 52–30 | 63.4% | — | 1,818 | 0 | 2 | 1970 | 41–28 | 59.4% | — | 1,893 | 0 | 6 |
| 28 | 1973 | 35–31 | 53.0% | #39 | 1,692 | 0 | 4 | 1971 | 27–21 | 56.2% | — | 1,861 | 0 | 6 |
| 29 | 1974 | 35–36 | 49.3% | #87 | 1,689 | 0 | 4 | 1972 | 2–8 | 20.0% | — | 1,736 | 0 | 6 |
| 30 | 1975 | 15–28 | 34.9% | #94 | 1,606 | 0 | 4 | 1973 | 1–6 | 14.3% | #219 | 1,666 | 0 | 6 |
| 31 | 1976 | 39–39 | 50.0% | #85 | 1,655 | 0 | 4 | 1974 | 3–5 | 37.5% | #147 | 1,680 | 0 | 6 |
| 32 | 1977 | 52–33 | 61.2% | #36 | 1,778 | 0 | 4 | 1975 | 2–5 | 28.6% | #187 | 1,631 | 0 | 6 |
| 33 | 1978 | 18–28 | 39.1% | #115 | 1,628 | 0 | 4 | 1976 | 1–9 | 10.0% | #248 | 1,545 | 0 | 6 |
| 34 | 1979 | 20–22 | 47.6% | #116 | 1,698 | 0 | 4 | 1977 | 1–2 | 33.3% | #294 | 1,563 | 0 | 6 |
| 35 | 1980 | 18–23 | 43.9% | #57 | 1,648 | 0 | 5 | 1978 | 0–1 | 0.0% | #287 | 1,557 | 0 | 6 |
| 36 | 1981 | 3–7 | 30.0% | #99 | 1,630 | 0 | 5 | — | — | — | — | — | — | — |
| 37 | — | — | — | — | — | — | — | 1980 | 3–2 | 60.0% | — | 1,601 | 0 | 6 |