H2H data updated: 2026-07-18 02:15 UTC
Koji Watanabe vs Colin Dibley H2H: 0-1
Colin Dibley holds a 1–0 lead over Koji Watanabe in their ATP head-to-head. Across 1 main-draw meeting, Colin Dibley leads 1–0 on hard courts. Most recently, Colin Dibley won the 1972 Hong Kong fourth round 6-3 8-6.
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JPN
Age 84
Right-Handed
H2H
0
–
1
1 main draw meetings
AUS
Age 81
Right-Handed
188 cm / 6'2"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Apr 2, 1972* | Hong Kong | ATP 250 | R16 | Hard | Colin Dibley | 6-3 8-6 | Koji Watanabe | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Koji Watanabe | #1,376 | #1,182 | 3 | 1,542 | 11 | 19 | 36.7% | 0 | 0 | 0 | 0 | 0 | 0 |
| Colin Dibley | #240 | #33 | 0 | 1,875 | 338 | 310 | 52.2% | 0 | 0 | 0 | 0 | 5 | 5 |
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 | Koji Watanabe | Colin Dibley | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 26 | 1968 | 6–5 | 54.5% | — | 1,523 | 0 | 0 | 1971 | 41–21 | 66.1% | — | 1,757 | 0 | 1 |
| 27 | 1969 | 4–10 | 28.6% | — | 1,482 | 0 | 0 | 1972 | 52–30 | 63.4% | — | 1,818 | 0 | 2 |
| 28 | 1970 | 0–3 | 0.0% | — | 1,445 | 0 | 0 | 1973 | 35–31 | 53.0% | #39 | 1,692 | 0 | 4 |
| 29 | — | — | — | — | — | — | — | 1974 | 35–36 | 49.3% | #87 | 1,689 | 0 | 4 |
| 30 | 1972 | 1–1 | 50.0% | — | 1,456 | 0 | 0 | 1975 | 15–28 | 34.9% | #94 | 1,606 | 0 | 4 |
| 31 | — | — | — | — | — | — | — | 1976 | 39–39 | 50.0% | #85 | 1,655 | 0 | 4 |
| 32 | — | — | — | — | — | — | — | 1977 | 52–33 | 61.2% | #36 | 1,778 | 0 | 4 |
| 33 | — | — | — | — | — | — | — | 1978 | 18–28 | 39.1% | #115 | 1,628 | 0 | 4 |
| 34 | — | — | — | — | — | — | — | 1979 | 20–22 | 47.6% | #116 | 1,698 | 0 | 4 |
| 35 | — | — | — | — | — | — | — | 1980 | 18–23 | 43.9% | #57 | 1,648 | 0 | 5 |
| 36 | — | — | — | — | — | — | — | 1981 | 3–7 | 30.0% | #99 | 1,630 | 0 | 5 |