Match log updated: 2026-05-28 18:14 UTC
Koji Watanabe — ATP Match Log
2 main-draw matches · 1–1 · 50.0% wins
| Opponent | Score | Result | H2H | Match Data | Date ↓ | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|---|
| Colin Dibley | 3-6 6-8 | L | H2H | Match data | Apr 2, 1972* | R16 | Hong Kong | ATP 250 | Hard |
| Charles Chang | 6-3 6-0 | W | — | Match data | Apr 1, 1972* | R32 | Hong Kong | ATP 250 | Hard |
Estimated from the tournament schedule where an exact match date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Mapping details.