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Win
Loss
Year
Matches
Wins
Losses
Winning Percentage
Highest Rank
Lowest Rank
1981
1
0
1
0.00%
-9223372036854775808
1979
1
0
1
0.00%
-9223372036854775808
1978
1
0
1
0.00%
-9223372036854775808
1977
4
3
1
75.00%
-9223372036854775808
1974
1
0
1
0.00%
-9223372036854775808
1973
2
1
1
50.00%
-9223372036854775808
Winner
Loser
The player has not played in the final round of a Grand Slam.
The player has not played in the final round of a Grand Slam.
OPPONENT
W
L
LAST MATCH
WINNER
Alexander Marcial
Philippines
1
0
10/21/77
Davis Cup AME PR: PHI vs JPN
RR
7-5 6-4 6-3
Takao Yamamoto
Den Wen Lin
Chinese Taipei
1
0
10/01/77
Davis Cup G1 PR: JPN vs TPE
RR
6-2 12-10 6-1
Takao Yamamoto
Geoff Masters
Australia
0
1
10/23/78
Osaka
R32
6-4 6-2
Clay
Geoff Masters
J Plain
Australia
1
0
11/19/73
Adelaide
R64
6-4 6-2
Grass
Takao Yamamoto
Jiri Hrebec
Czech Republic
0
1
11/19/73
Adelaide
R32
6-1 6-1
Grass
Jiri Hrebec