Match log updated: 2026-08-25 14:24 UTC
Isao Watanabe — ATP Match Log
Main draw matches: 13 | W: 5 | L: 8 | Win %: 38.5%
| Opponent | Score | Result | H2H | Match Data | Date ↓ | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|---|
| Jurgen Fassbender | 5-7 1-6 | L | H2H | Match data | Oct 16, 1974* | R32 | Tokyo | ATP 250 | Hard |
| Ian Fletcher | (w/o) | W | H2H | Match data | Oct 15, 1974* | R64 | Tokyo | ATP 250 | Hard |
| Tito Vazquez | 7-5 2-6 1-6 | L | — | Match data | Apr 11, 1974* | R32 | Japan Open | ATP 250 | Clay |
| Alex Kurucz | 0-6 3-6 5-7 | L | — | Match data | Aug 15, 1968* | R64 | Hamburg Open | ATP 250 | Clay |
| Jan Kodes | 1-6 1-6 | L | H2H | Match data | Jul 26, 1968* | R16 | Dutch Open | ATP 250 | Clay |
| Henk Nijeboer | 6-0 6-4 | W | — | Match data | Jul 25, 1968* | R32 | Dutch Open | ATP 250 | Clay |
| Jaime Pinto Bravo | 8-6 5-7 3-6 | L | — | Match data | Jul 24, 1968* | R32 | Swiss Open Gstaad | ATP 250 | Clay |
| Hans Hartoch | 6-4 6-1 | W | — | Match data | Jul 24, 1968* | R64 | Dutch Open | ATP 250 | Clay |
| Nicola Spear | 3-6 3-6 | L | H2H | Match data | Jul 11, 1968* | R32 | Dusseldorf | ATP 250 | Clay |
| Matthias Mauritz | 6-3 6-1 | W | — | Match data | Jul 10, 1968* | R64 | Dusseldorf | ATP 250 | Clay |
| Jim Osborne | 6-3 3-6 5-7 | L | H2H | Match data | Jun 14, 1968* | R16 | Bristol | ATP 250 | Grass |
| Allan Skelton | 3-6 6-3 6-3 | W | — | Match data | Jun 13, 1968* | R32 | Bristol | ATP 250 | Grass |
| Ashley Cooper | (w/o) | L | H2H | Match data | May 29, 1968* | R128 | Roland Garros | Grand Slam | Clay |
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.