List of Japan Davis Cup team representatives
# List of Japan Davis Cup team representatives

This is a list of tennis players who have represented the Japan Davis Cup team in an official Davis Cup match. Japan have taken part in the competition since 1921.

## Players

| Player | W-L (Total) | W-L (Singles) | W-L (Doubles) | Ties | Debut |
| - | - | - | - | - | - |
| Tamio Abe | 5–8 | 0–4 | 5–4 | 9 | 1928 |
| Taro Daniel | 3-5 | 3-5 | 0-0 | 5 | 2014 |
| Michio Fujii | 6–2 | 3–0 | 3–2 | 5 | 1962 |
| Goro Fujikura | 0–1 | 0–0 | 0–1 | 1 | 1951 |
| Jiro Fujikura | 1–1 | 1–1 | 0–0 | 1 | 1934 |
| Masanosuke Fukuda | 2–3 | 2–3 | 0–0 | 3 | 1923 |
| Tsuyoshi Fukui | 28–14 | 27–12 | 1–2 | 22 | 1978 |
| Eduardo Furusho | 1–2 | 0–1 | 1–1 | 3 | 1991 |
| Yuzuru Furuta | 2–0 | 2–0 | 0–0 | 1 | 1960 |
| Takeichi Harada | 27–12 | 19–4 | 8–8 | 16 | 1924 |
| Kenichi Hirai | 21–12 | 11–4 | 10–8 | 19 | 1973 |
| Akira Ichiyama | 1–0 | 0–0 | 1–0 | 1 | 1960 |
| Osamu Ishiguro | 19–19 | 15–16 | 4–3 | 17 | 1958 |
| Yaoki Ishii | 3–2 | 3–2 | 0–0 | 3 | 2000 |
| Tatsuma Ito | 8–12 | 7–7 | 1–5 | 13 | 2009 |
| Satoshi Iwabuchi | 13–9 | 2–1 | 11–8 | 20 | 1995 |
| Jun Kamiwazumi | 20–16 | 12–8 | 8–8 | 20 | 1968 |
| Kosei Kamo | 14–15 | 11–9 | 3–6 | 11 | 1953 |
| Hideki Kaneko | 3–4 | 3–4 | 0–0 | 4 | 1996 |
| Seiichiro Kashio | 1–1 | 0–0 | 1–1 | 2 | 1923 |
| Sochio Kato | 4–1 | 2–1 | 2–0 | 3 | 1975 |
| Jun Kato | 0–2 | 0–1 | 0–1 | 1 | 2003 |
| Minoru Kawachi | 3–2 | 1–1 | 2–1 | 3 | 1931 |
| Junzo Kawamori | 2–2 | 0–0 | 2–2 | 4 | 1969 |
| Masanobu Kimura | 0–1 | 0–1 | 0–0 | 1 | 1953 |
| Kenichi Kiyomiya | 0–1 | 0–0 | 0–1 | 1 | 1988 |
| Isao Kobayashi | 5–2 | 4–2 | 1–0 | 4 | 1967 |
| Hiroki Kondo | 0–1 | 0–0 | 0–1 | 1 | 2011 |
| Ichizo Konishi | 8–4 | 8–4 | 0–0 | 6 | 1965 |
| Takeshi Koura | 1–2 | 0–0 | 1–2 | 3 | 1970 |
| Jun Kuki | 11–6 | 11–6 | 0–0 | 9 | 1971 |
| Ichiya Kumagai | 5–4 | 4–2 | 1–2 | 3 | 1921 |
| Jiro Kumamaru | 0–4 | 0–3 | 0–1 | 2 | 1951 |
| Hidesaburo Kuromatsu | 1–0 | 0–0 | 1–0 | 1 | 1970 |
| Takeo Kuwabara | 5–1 | 5–1 | 0–0 | 3 | 1932 |
| Kaoru Maruyama | 0–2 | 0–2 | 0–0 | 1 | 1985 |
| Toshihide Matsui | 4–1 | 2–0 | 2–1 | 3 | 2006 |
| Shuzo Matsuoka | 23–13 | 21–10 | 2–3 | 16 | 1987 |
| Susumu Matsuura | 2–1 | 2–1 | 0–0 | 2 | 1959 |
| Tatsuyoshi Miki | 3–0 | 0–0 | 3–0 | 3 | 1932 |
| Atsushi Miyagi | 18–21 | 12–12 | 6–9 | 16 | 1952 |
| Hiroki Moriya | 0-1 | 0-0 | 0-1 | 1 | 2013 |
| Mitsuru Motoi | 2–0 | 1–0 | 1–0 | 1 | 1965 |
| Gouichi Motomura | 24–17 | 21–16 | 3–1 | 23 | 1993 |
| Masao Nagasaki | 2–4 | 0–2 | 2–2 | 4 | 1960 |
| Fumiteru Nakano | 3–10 | 2–6 | 1–4 | 5 | 1937 |
| Haruo Nakano | 1–2 | 0–2 | 1–0 | 1 | 1989 |
| Kei Nishikori | 20–3 | 17–3 | 3–0 | 12 | 2008 |
| Hideo Nishimura | 3–4 | 2–2 | 1–2 | 3 | 1934 |
| Shigeyuki Nishio | 11–7 | 6–5 | 5–2 | 13 | 1977 |
| Yoshihito Nishioka | 2-4 | 2-2 | 0-2 | 4 | 2015 |
| Ryosuki Nunoi | 9–3 | 6–2 | 3–1 | 4 | 1933 |
| Tunetake Okadome | 1–0 | 1–0 | 0–0 | 1 | 1957 |
| Sunao Okamoto | 2–4 | 2–2 | 0–2 | 2 | 1924 |
| Shigeru Ota | 2–3 | 1–1 | 1–2 | 4 | 1988 |
| Yoshiro Ota | 12–9 | 12–8 | 0–1 | 12 | 1927 |
| Toshiro Sakai | 20–17 | 15–12 | 5–5 | 19 | 1968 |
| Shinichi Sakamoto | 4–4 | 2–2 | 2–2 | 6 | 1980 |
| Tetsuya Sato | 1–3 | 0–1 | 1–2 | 3 | 1991 |
| Hyotaro Sato | 6–2 | 6–2 | 0–0 | 5 | 1930 |
| Jiro Satoh | 22–6 | 14–4 | 8–2 | 10 | 1931 |
| Yoshihisa Shibata | 3–2 | 1–0 | 2–2 | 4 | 1958 |
| Thomas Shimada | 7–9 | 0–0 | 7–9 | 16 | 1994 |
| Zenzo Shimizu | 12–13 | 9–8 | 3–5 | 10 | 1921 |
| Shozo Shiraishi | 6–7 | 6–7 | 0–0 | 7 | 1984 |
| Hitoshi Shirato | 7–7 | 3–3 | 4–4 | 10 | 1982 |
| Go Soeda | 25–12 | 23–10 | 2–2 | 21 | 2005 |
| Seikichi Suga | 1–0 | 1–0 | 0–0 | 1 | 1962 |
| Yūichi Sugita | 6–9 | 5–4 | 1–5 | 12 | 2007 |
| Takao Suzuki | 41–23 | 27–12 | 14–11 | 31 | 1995 |
| Kiyotaka Tachibana | 0–1 | 0–0 | 0–1 | 1 | 1987 |
| Eiji Takeuchi | 3–6 | 1–2 | 2–4 | 7 | 1982 |
| Masayoshi Takeyari | 0–2 | 0–0 | 0–2 | 2 | 1987 |
| Kiyoshi Tanabe | 3–2 | 1–2 | 2–0 | 4 | 1974 |
| Hidehiko Tanizawa | 0–2 | 0–2 | 0–0 | 1 | 1990 |
| Tsumio Tawara | 8–3 | 5–2 | 3–1 | 4 | 1926 |
| Takahiro Terachi | 2–3 | 0–1 | 2–2 | 4 | 2002 |
| Yuji Tezuka | 3–0 | 1–0 | 2–0 | 2 | 1970 |
| Teizo Toba | 7–4 | 4–2 | 3–2 | 7 | 1926 |
| Toshihisa Tsuchihashi | 5–3 | 5–3 | 0–0 | 4 | 1986 |
| Toshiyuki Tsuji | 0–1 | 0–0 | 0–1 | 1 | 1984 |
| Ryuso Tsujino | 2–4 | 0–2 | 2–2 | 5 | 1992 |
| Yasutaka Uchiyama | 4-7 | 2-1 | 2-6 | 8 | 2013 |
| Koji Watanabe | 28–16 | 18–11 | 10–5 | 18 | 1963 |
| Isao Watanabe | 5–3 | 1–0 | 4–3 | 7 | 1967 |
| Jiro Yamagishi | 8–10 | 6–6 | 2–4 | 6 | 1934 |
| Yasufumi Yamamoto | 9–5 | 9–5 | 0–0 | 7 | 1992 |
| Takao Yamamoto | 3–0 | 3–0 | 0–0 | 3 | 1978 |
| Keishiro Yanagi | 8–3 | 8–3 | 0–0 | 6 | 1967 |
| Toru Yonezawa | 5–5 | 1–0 | 4–5 | 9 | 1981 |
