Player

Koji Watanabe

JPNBorn: January 19, 1942right-handed

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19–2543.2% wins in the database

Latest ranking—not ranked

Best ranking—not ranked

Record19–2543.2% wins

Titles00 finals · 0 Grand Slams

Prize Money—awaiting a verified source

Height—

Birthplace—

Turned pro—

Playsright-handed

The year in motion

Season 2026

ATPno matches recorded in 2026

Koji Watanabe has not played a match in the 2026 season.

The complete career archive remains available below, with seasons, rankings and matchups.

Explore the complete career →

Historical graph

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Choose any player from the same tour and find the shortest chain of matches connecting their story to Koji Watanabe's career.

Career path

Ranking progression

0 months represented

There are not enough snapshots to chart this progression yet.

Seasons

12 most recent

19721–150% · 0 titles 19702–528.6% · 0 titles 19695–1131.3% · 0 titles 196811–857.9% · 0 titles

Recent finals

0 career titles

No finals identified in the database.

25best-of-five matches

1reached a fifth set

0comebacks from 0–2

∞searchable situations

Dynamic statisticsWhat happens after every set?Explore match situations →

Performance by surface

Clay8–917 matches · 47.1% wins Unknown8–614 matches · 57.1% wins Grass2–911 matches · 18.2% wins Hard1–12 matches · 50% wins

Frequent opponents

Eddie CruzPHI2 matches2–0 Francois JauffretFRA2 matches0–2 Premjit LallIND2 matches1–1 Allan StoneAUS1 match0–1 Andres GimenoESP1 match0–1 Bill BowreyAUS1 match0–1 Charles Chang—1 match1–0 Colin DibleyAUS1 match0–1 Dick CrealyAUS1 match0–1 Francois BattegayFRA1 match1–0 Fred StolleAUS1 match0–1 Frew McmillanRSA1 match1–0

Editorial contentStories, news and analysisOpen the player's blog in Portuguese →

Matches

17 found

Source dates represent the start of each tournament; daily filtering is consistent but does not claim the exact day of a round.

Roland Garros 1970ATP · Clay · First round

vs. Francois Jauffret view H2H

7-5 6-3 6-1

Kitzbuhel 1969ATP · Clay · Round of 16

vs. Zeljko Franulovic view H2H

6-4 8-10 6-2

Kitzbuhel 1969ATP · Clay · Third round

vs. Zlatko Ivancic view H2H

5-7 6-1 6-3

Gstaad 1969ATP · Clay · Third round

vs. Francois Jauffret view H2H

6-4 6-3

Aix-en-Provence 1969ATP · Clay · Third round

vs. Patricio Rodriguez Chi view H2H

9-7 6-3

Aix-en-Provence 1969ATP · Clay · Second round

vs. Francois Battegay view H2H

W/O

Roland Garros 1969ATP · Clay · First round

vs. Rod Laver view H2H

6-1 6-1 6-1

Hamburg Masters 1968ATP · Clay · Round of 16

vs. Wilhelm Bungert view H2H

6-3 6-3 7-5

Hamburg Masters 1968ATP · Clay · Third round

vs. Frew Mcmillan view H2H

6-1 7-5 1-6 6-4

Hamburg Masters 1968ATP · Clay · Second round

vs. Uwe Gottschalk view H2H

6-4 7-5 6-2

Amersfoort 1968ATP · Clay · Round of 16

vs. Phil Dent view H2H

3-6 6-3 6-4

Amersfoort 1968ATP · Clay · Third round

vs. Paul Van Min view H2H

6-3 6-4

Amersfoort 1968ATP · Clay · Second round

vs. Peter Ehrlich view H2H

6-1 6-1

Gstaad 1968ATP · Clay · Round of 16

vs. Nikola Pilic view H2H

5-7 6-4 6-0

Gstaad 1968ATP · Clay · Third round

vs. Giuseppe Merlo view H2H

1-0 RET

Dusseldorf 1968ATP · Clay · Round of 16

vs. Milan Holecek view H2H

4-6 6-3 6-4

Dusseldorf 1968ATP · Clay · Third round

vs. Hans Jurgen Pohmann view H2H

0-6 6-2 7-6