Isao Watanabe
W-L: 4-6 (40.00%)
Matches
| Date ▼ | Tourney | Surface | Round | Wrk | Winner | Lrk | Loser | Score | H2H | BoF | Min | WA | WDF | W1stIn | W1st% | W2nd% | BPSvd |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1974-10-07 | Tokyo-2 | Clay | R32 | 51 |  Jurgen Fassbender | 289 | Isao Watanabe | 7-5 6-1 | H2H | 3 | - | - | - | - | - | - | - |
| 1974-04-08 | Tokyo WCT | Hard | R32 | 139 |  Modesto Tito Vazquez | - | Isao Watanabe | 5-7 6-2 6-1 | H2H | 3 | - | - | - | - | - | - | - |
| 1970-03-14 | Davis Cup G2 QF: HKG vs JPN | - | RR | - | Isao Watanabe | - |  Kenneth Tsui | 6-0 6-0 6-2 | H2H | 5 | - | - | - | - | - | - | - |
| 1968-08-05 | Hamburg | Clay | R64 | - | Alex Kurucz | - | Isao Watanabe | 6-0 6-3 7-5 | H2H | 5 | - | - | - | - | - | - | - |
| 1968-07-22 | Hilversum | Clay | R16 | - |  Jan Kodes | - | Isao Watanabe | 6-1 6-1 | H2H | 3 | - | - | - | - | - | - | - |
| 1968-07-22 | Hilversum | Clay | R32 | - | Isao Watanabe | - |  Henk Nijeboer | 6-0 6-4 | H2H | 3 | - | - | - | - | - | - | - |
| 1968-07-22 | Hilversum | Clay | R64 | - | Isao Watanabe | - | Hans Hartoch | 6-4 6-1 | H2H | 3 | - | - | - | - | - | - | - |
| 1968-07-15 | Gstaad | Clay | R32 | - |  Jaime Pinto-Bravo | - | Isao Watanabe | 6-8 7-5 6-3 | H2H | 3 | - | - | - | - | - | - | - |
| 1968-06-10 | Bristol | Grass | R16 | - |  Jim Osborne | - | Isao Watanabe | 3-6 6-3 7-5 | H2H | 3 | - | - | - | - | - | - | - |
| 1968-06-10 | Bristol | Grass | R32 | - | Isao Watanabe | - |  Allan Skelton | 3-6 6-3 6-3 | H2H | 3 | - | - | - | - | - | - | - |
Matches