Japan
Captain	Satoshi Iwabuchi
ITF ranking	18 1 (6 December 2021)
Colors	Red & White
First year	1921
Years played	85
Ties played (W–L)	192 (108-84)
Years in World Group	9 (2–8)
Runners-up	1 (1921)
Most total wins	Takao Suzuki (41–23)
Most singles wins	Tsuyoshi Fukui (27–12) Takao Suzuki (27–12)
Most doubles wins	Takao Suzuki (14–11)
Best doubles team	Satoshi Iwabuchi / Takao Suzuki (9–5)
Most ties played	Takao Suzuki (31)
Most years played	Takao Suzuki (15)

The Japan men's national tennis team represents Japan in Davis Cup tennis competition and is governed by the Japan Tennis Association.

Japan first competed at the Davis Cup in 1921, where they finished as runners-up. They were an inaugural member of the World Group in 1981 and competed at the top division until 1985 when they were relegated to the second division. They are currently competing in the World Group for the eighth time.

History

Japan competed in its first Davis Cup in 1921 finishing as the runners-up to the United States.

Results

Year	Competition	Date	Venue and location	Surface	Opponent	Score	Result
2002	Group I, Asia/Oceania, 1st Round	8–10 February 2002	Gunsan, South Korea	Carpet, Indoor	South Korea	3–2	Won
	Group I, Asia/Oceania, 2nd Round	5–7 April 2002	Muang-Thong-Thani Complex, Bangkok, Thailand	Hard, Outdoor	Thailand	1–4	Loss
2003	Group I, Asia/Oceania, 1st Round	7–9 February 2003	R.K. Khanna Tennis Stadium, New Delhi, India	Grass (Grass), Outdoor	India	1–4	Loss
	Group I, Asia/Oceania, 1st Round Relegation Play-offs	4–6 April 2003	Toyota City Gymnasium, Toyota, Aichi, Japan	Carpet, Indoor	Pakistan	5–0	Won
2004	Group I, Asia/Oceania, 1st Round	6–8 February 2004	Gelora Bung Karno Tennis Stadium, Jakarta, Indonesia	Hard, Outdoor	Indonesia	3–2	Won
	Group I, Asia/Oceania, 2nd Round	9–11 April 2004	Utsubo Tennis Center, Osaka, Japan	Hard, Outdoor	India	3–2	Won
	2004 Davis Cup World Group play-offs	24–26 September 2004	Club Naval de Campo Las Salinas, Viña del Mar, Chile	Clay, Outdoor	Chile	0–5	Loss
2005	Group I, Asia/Oceania, 1st Round	4–6 March 2005	Soleada Club, Taoyuan, Taiwan	Hard (rebound ace), outdoor	Chinese Taipei	2–3	Loss
	Group I, Asia/Oceania, 1st Round Relegation Play-offs	15–17 July 2005	Namihaya Dome, Kadoma, Osaka, Japan	Carpet (Taraflex), Indoor	Thailand	4–1	Won
2006	Group I, Asia/Oceania, 1st Round	10–12 February 2006	Namihaya Dome, Kadoma, Osaka, Japan	Carpet (Taraflex), Indoor	China	5–0	Won
	Group I, Asia/Oceania, Semifinals	7–9 April 2006	Rama Gardens Hotel, Bangkok, Thailand	Hard (Plexipave), Outdoor	Thailand	2–3	Loss
2007	Group I, Asia/Oceania, 1st Round	9–11 February 2007	Beijing International Tennis Center, Beijing, China	Hard (rebound ace), indoor	China	4–1	Won
	Group I, Asia/Oceania, Semifinals	6–8 April 2007	Namihaya Dome, Kadoma, Osaka, Japan	Carpet (Taraflex), Indoor	Thailand	5–0	Won
	World Group, play-offs	21–23 September 2007	Namihaya Dome, Kadoma, Osaka, Japan	Carpet (Taraflex), Indoor	Romania	2–3	Loss
2008	Group I, Asia/Oceania, 1st Round	8–10 February 2008	Rizal Memorial Tennis Center, Manila, Philippines	Hard (Truflex Acrylic), Outdoor	Philippines	5–0	Won
	Group I, Asia/Oceania, Semifinals	11–13 April 2008	R.K. Khanna Tennis Stadium, New Delhi, India	Grass (Grass), Outdoor	India	2–3	Loss
2009	Group I, Asia/Oceania, 1st Round	6–8 March 2009	Namihaya Dome, Kadoma, Osaka, Japan	Carpet (Taraflex), Indoor	China	5–0	Won
	Group I, Asia/Oceania, Semifinals	8–10 May 2009	Sport Complex Pahlavon, Namangan, Uzbekistan	Clay, Indoor	Uzbekistan	2–3	Loss
2010	Group I, Asia/Oceania, 1st Round	5–7 March 2010	Namihaya Dome, Kadoma, Osaka, Japan	Carpet (Taraflex), Indoor	Philippines	5–0	Won
	Group I, Asia/Oceania, Semifinals	7–9 May 2010	Queensland Tennis Centre, Brisbane, Australia	Clay, Outdoor	Australia	0–5	Loss
2011	Group I, Asia/Oceania, 1st Round	4–6 March 2011	Plantation Bay Resort & Spa, Lapu-Lapu City, Philippines	Clay, Outdoor	Philippines	3–1	Won
	Group I, Asia/Oceania, Semifinals	8–10 July 2011	Bourbon Beans Dome, Miki, Hyogo, Japan	Hard (Acrylic), Indoor	Uzbekistan	4–1	Won
	World Group, play-offs	16–18 September 2011	Ariake Coliseum, Tokyo, Japan	Hard (Deco Turf II), Outdoor	India	4–1	Won
2012	World Group, 1st Round	10–12 February 2012	Bourbon Beans Dome, Miki, Hyogo, Japan	Hard (DecoTurf), Indoor	Croatia	2–3	Loss
	World Group, play-offs	14–16 September 2012	Ariake Coliseum, Tokyo, Japan	Hard (DecoTurf), Outdoor	Israel	2–3	Loss
2013	Group I, Asia/Oceania, 1st Round	1–3 February 2013	Ariake Coliseum, Tokyo, Japan	Hard (DecoTurf), Indoor	Indonesia	5–0	Won
	Group I, Asia/Oceania, Semifinals	5–7 April 2013	Ariake Coliseum, Tokyo, Japan	Hard (DecoTurf), Indoor	South Korea	3–2	Won
	World Group, play-offs	13–15 September 2013	Ariake Coliseum, Tokyo, Japan	Hard (DecoTurf), Indoor	Colombia	3–2	Won
2014	World Group, 1st Round	31 January–2 February 2014	Ariake Coliseum, Tokyo, Japan	Hard (DecoTurf), Indoor	Canada	4–1	Won
	World Group, Quarterfinals	4–6 April 2014	Ariake Coliseum, Tokyo, Japan	Hard (DecoTurf), Indoor	Czech Republic	0–5	Loss
2015	World Group, 1st Round	6–8 March 2015	Doug Mitchell Thunderbird Sports Centre, Vancouver, Canada	Hard (Premier), Indoor	Canada	2–3	Loss
	World Group, play-offs	18–20 September 2015	Club Campestre, Pereira, Colombia	Clay (Red Clay), Outdoor	Colombia	3–2	Won
2016	World Group, 1st Round	4–6 March 2016	Barclaycard Arena, Birmingham, Great Britain	Hard (GreenSet Cushion), Indoor	Great Britain	1–3	Loss
	World Group, play-offs	16–18 September 2016	Utsubo Tennis Center, Osaka, Japan	Hard, Outdoor	Ukraine	5–0	Won
2017	World Group, 1st Round	3–5 February 2017	Ariake Coliseum, Tokyo, Japan	Hard (DecoTurf), Indoor	France	1–4	Loss
	World Group, play-offs	15–18 September 2017[a]	Utsubo Tennis Center, Osaka, Japan	Hard (DecoTurf), Outdoor	Brazil	3–1	Won
2018	World Group, 1st Round	2–4 February 2018	Morioka Takaya Arena, Morioka, Japan[1][2]	Hard (GreenSet Pro), Indoor	Italy	1–3	Loss
	World Group, play-offs	14–16 September 2018	Utsubo Tennis Center, Osaka, Japan	Hard (DecoTurf), Outdoor	Bosnia and Herzegovina	4–0	Won
2019	Davis Cup qualifying round	1–2 February 2019	Guangdong Olympic Tennis Centre, Guangzhou, China	Hard (TOPLUS MC Pro System), Outdoor	China	3–2	Won
	Finals, Round-Robin Group A	19 November 2019	Caja Mágica, Madrid, Spain	Hard, Indoor	France	1–2	Loss
	Finals, Round-Robin Group A	20 November 2019	Caja Mágica, Madrid, Spain	Hard, Indoor	Serbia	0–3	Loss
2020–21	Davis Cup qualifying round	6–7 March 2020	Bourbon Beans Dome, Miki, Japan	Hard (DecoTurf), Indoor	Ecuador	0–3	Loss
	Davis Cup World Group I	5–6 March 2021	Pakistan Sports Complex, Islamabad, Pakistan	Grass, Outdoor	Pakistan	0–4	Won

Current squad

Rankings as of 29 October 2022