| Japan | |
|---|---|
 | |
| Captain | Ai Sugiyama |
| ITF ranking | 14 (03 December 2024) |
| Colors | Red & White |
| First year | 1964 |
| Years played | 56 |
| Ties played (W–L) | 177 (109–68) |
| Years in World Group | 30 (12–27) |
| Best finish | World Group SF (1996) |
| Most total wins | Kazuko Sawamatsu (44–10) |
| Most singles wins | Kazuko Sawamatsu (25–5) |
| Most doubles wins | Shuko Aoyama (25–6) |
| Best doubles team | Shuko Aoyama / Eri Hozumi (15–3) |
| Most ties played | Shuko Aoyama (31) |
| Most years played | Ai Sugiyama (12) |
TheJapan women's national tennis team representsJapan inFed Cuptennis competition and are governed by theJapan Tennis Association. Most recently, in 2024, they qualified for the finals by beating Kazakhstan in April, and then reached the quarter-finals of the competition with a win over Romania in November.
Japan competed in its first Federation Cup in1964, the second year of the competition after it was launched in 1963. This inaugural team consisted ofKazuko Kuromatsu,Reiko Miyagi, andYohko Obata.
The best result for the Japanese team was reaching the semifinals in1996.
| Name | Born | First Tie | Last Tie | Ties | Win/Loss | |||
|---|---|---|---|---|---|---|---|---|
| Year | Opponent | Sin | Dou | Tot | ||||
| Shuko Aoyama | (1987-12-19)19 December 1987 (age 37) | 2013 | 2024 |  Italy | 31 | 0–0 | 25–6 | 25–6 |
| Nao Hibino | (1994-11-28)28 November 1994 (age 30) | 2016 | 2024 |  Romania | 13 | 9–7 | 0–0 | 9–7 |
| Eri Hozumi | (1994-02-17)17 February 1994 (age 31) | 2015 | 2024 | Italy | 18 | 3–1 | 15–3 | 18–4 |
| Ena Shibahara | (1998-02-12)12 February 1998 (age 27) | 2021 | 2024 | Italy | 11 | 2–0 | 8–1 | 10–1 |
| Moyuka Uchijima | (2001-08-11)11 August 2001 (age 24) | 2022 | 2024 | Italy | 9 | 6–4 | 0–0 | 6–4 |
| Name | Born | First Tie | Last Tie | Ties | Win/Loss | |||
|---|---|---|---|---|---|---|---|---|
| Year | Opponent | Sin | Dou | Tot | ||||
| Misaki Doi | (1991-04-29)29 April 1991 (age 34) | 2011 | 2022 |  Ukraine | 20 | 10–10 | 1–2 | 11–12 |
| Mai Hontama | (1999-08-30)30 August 1999 (age 26) | 2022 | 2023 |  Colombia | 9 | 8–2 | 0–0 | 8–2 |
| Yuki Naito | (2001-02-16)16 February 2001 (age 24) | 2021 | 2022 |  China | 4 | 2–3 | 0–0 | 2–3 |
| Naomi Osaka | (1997-10-16)16 October 1997 (age 28) | 2017 | 2024 |  Kazakhstan | 7 | 6–2 | 0–0 | 6–2 |
| Himeno Sakatsume | (2001-08-03)3 August 2001 (age 24) | 2023 | 2023 | China | 2 | 2–0 | 0–0 | 2–0 |
| Year | Competition | Date | Location | Opponent | Score | Result |
|---|---|---|---|---|---|---|
| 2003 | Group I, Asia/Oceania Pool A Round Robin, 1st Round | 21 April | Ariake Tennis Park and Colosseum, Tokyo, Japan |  South Korea | 2–1 | Won |
| Group I, Asia/Oceania Pool A Round Robin, 1st Round | 22 April | Tokyo, Japan |  New Zealand | 3–0 | Won | |
| Group I, Asia/Oceania Pool A Round Robin, 1st Round | 23 April | Tokyo, Japan | China | 2–0 | Won | |
| Group I, Asia/Oceania Pool A Round Robin, 1st Round | 25 April | Tokyo, Japan |  Hong Kong | 2–0 | Won | |
| Group I, Asia/Oceania Play-offs | 26 April | Tokyo, Japan |  Thailand | 3–0 | Won | |
| World Group Play-Offs | 19–20 July | Gifu, Japan |  Sweden | 4–1 | Won | |
| 2004 | World Group | 24–25 April | Buenos Aires, Argentina |  Argentina | 2–3 | Loss |
| World Group Play-Offs | 10–11 July | Plovdiv, Bulgaria |  Bulgaria | 3–2 | Won | |
| 2005 | World Group II, 1st Round | 23–24 April | Prague, Czech Republic |  Czech Republic | 2–3 | Loss |
| World Group II, Playoffs | 9–10 July | Tokyo, Japan | Bulgaria | 4–1 | Won | |
| 2006 | World Group II, 1st Round | 22–23 April | Tokyo, Japan |  Switzerland | 4–1 | Won |
| World Group I, Playoffs | 15–16 July | Tokyo, Japan |  Austria | 5–0 | Won | |
| 2007 | World Group I, 1st Round | 21–22 April | Limoges, France |  France | 0–5 | Loss |
| World Group I, Playoffs | 14–15 July | Toyota, Japan |  Germany | 2–3 | Loss | |
| 2008 | World Group II, 1st Round | 2–3 February | Miki-shi, Japan |  Croatia | 4–1 | Won |
| World Group I, Playoffs | 26–27 April | Tokyo, Japan | France | 1–4 | Loss | |
| 2009 | World Group II, 1st Round | 7–8 February | Belgrade, Serbia |  Serbia | 1–4 | Loss |
| World Group II, Playoffs | 25–26 April | Gdynia, Poland |  Poland | 2–3 | Loss | |
| 2010 | Group I, Asia/Oceania, Group A Round Robin, 1st Round | 3 February | National Tennis Centre, Kuala Lumpur, Malaysia |  India | 3–0 | Won |
| Group I, Asia/Oceania, Group A Round Robin, 1st Round | 4 February | Kuala Lumpur, Malaysia | New Zealand | 3–0 | Won | |
| Group I, Asia/Oceania, Group A Round Robin, 1st Round | 5 February | Kuala Lumpur, Malaysia | South Korea | 3–0 | Won | |
| Group I, Asia/Oceania, Promotional Play-off | 6 February | Kuala Lumpur, Malaysia |  Chinese Taipei | 2–1 | Won | |
| World Group II, Playoff | 24–25 April | Maribor, Slovenia |  Slovenia | 1–4 | Loss | |
| 2011 | Group I, Asia/Oceania, Group B Round Robin, 1st Round | 2 February | National Tennis Centre, Nonthaburi, Thailand | Kazakhstan | 2–1 | Won |
| Group I, Asia/Oceania, Group B Round Robin, 1st Round | 3 February | Nonthaburi, Thailand | South Korea | 3–0 | Won | |
| Group I, Asia/Oceania, Group B Round Robin, 1st Round | 4 February | Nonthaburi, Thailand | Chinese Taipei | 3–0 | Won | |
| Group I, Asia/Oceania, Promotional Play-off | 5 February | Nonthaburi, Thailand |  Uzbekistan | 3–0 | Won | |
| World Group II, Play-off | 16–17 July | Bourbon Beans Dome,Miki,Hyogo, Japan | Argentina | 4–0 | Won | |
| 2012 | World Group II, 1st Round | 4–5 February | Bourbon Beans Dome,Miki,Hyogo, Japan | Slovenia | 5–0 | Won |
| World Group II, Play-off | 21–22 April | Ariake Coliseum, Tokyo, Japan |  Belgium | 4–1 | Won | |
| 2013 | World Group I, 1st Round | 9–10 February | Olympic (Indoor) Stadium,Moscow, Russia |  Russia | 2–3 | Loss |
| World Group I, Play-off | 20–21 April | Real Club de Polo,Barcelona, Spain |  Spain | 0–4 | Loss | |
| 2014 | World Group II, 1st Round | 8–9 February | Pilara Tennis Club,Pilar, Buenos Aires Province, Argentina | Argentina | 1–3 | Loss |
| World Group II, Play-off | 19–20 April | Maaspoort Sports and Events Arena,'s-Hertogenbosch, Netherlands |  Netherlands | 2–3 | Loss | |
| 2015 | Group I, Asia/Oceania, Group B Round Robin, 1st Round | 4 February | Guangdong Olympic Tennis Centre, Guangzhou, China | South Korea | 3–0 | Won |
| Group I, Asia/Oceania, Group B Round Robin, 1st Round | 5 February | Guangzhou, China | Hong Kong | 3–0 | Won | |
| Group I, Asia/Oceania, Group B Round Robin, 1st Round | 6 February | Guangzhou, China | Uzbekistan | 3–0 | Won | |
| Group I, Asia/Oceania, Promotional Play-off | 7 February | Guangzhou, China | Kazakhstan | 2–0 | Won | |
| World Group II, Play-off | 18–19 April | Ariake Coliseum, Tokyo, Japan |  Belarus | 2–3 | Loss | |
| 2016 | Group I, Asia/Oceania, Pool A Round Robin, 1st round | 3 February | True Arena Hua Hin,Hua Hin, Thailand | Uzbekistan | 1–2 | Loss |
| Group I, Asia/Oceania, Pool A Round Robin, 1st round | 4 February | Hua Hin, Thailand | India | 2–1 | Won | |
| Group I, Asia/Oceania, Pool A Round Robin, 1st round | 5 February | Hua Hin, Thailand | Thailand | 2–1 | Won | |
| Group I, Asia/Oceania, Promotional Play-off | 6 February | Hua Hin, Thailand | Chinese Taipei | 1–2 | Loss | |
| 2017 | Group I, Asia/Oceania, Pool B Round Robin, 1st round | 8 February | National Tennis Centre,Astana,Kazakhstan | India | 3–0 | Won |
| Group I, Asia/Oceania, Pool B Round Robin, 1st round | 9 February | Astana, Kazakhstan |  Philippines | 3–0 | Won | |
| Group I, Asia/Oceania, Pool B Round Robin, 1st round | 10 February | Astana, Kazakhstan | China | 3–0 | Won | |
| Group I, Asia/Oceania, Promotional Play-off | 11 February | Astana, Kazakhstan | Kazakhstan | 1–2 | Loss | |
| 2018 | Group I, Asia/Oceania, Pool B Round Robin, 1st round | 7 February | R.K. Khanna Tennis Complex,New Delhi,India | Thailand | 3–0 | Won |
| Group I, Asia/Oceania, Pool B Round Robin, 1st round | 8 February | New Delhi, India | South Korea | 3–0 | Won | |
| Group I, Asia/Oceania, Pool B Round Robin, 1st round | 9 February | New Delhi, India | Chinese Taipei | 3–0 | Won | |
| Group I, Asia/Oceania, Promotional Play-off | 10 February | New Delhi, India | Kazakhstan | 2–1 | Won | |
| World Group II, Play-off | 21–22 April | Bourbon Beans Dome,Miki,Hyogo, Japan[1] |  Great Britain | 3–2 | Won | |
| 2019 | World Group II, 1st Round | 9–10 February | Kitakyushu Sogo Gymnastic Hall,Kitakyushu,Fukuoka, Japan | Spain | 2–3 | Loss |
| World Group II, Play-off | 20–21 April | Utsubo Tennis Center,Osaka, Japan | Netherlands | 4–0 | Won | |
| 2020-21 | Qualifying Round | 7–8 February 2020 | Centro de Tenis la Manga Club,Cartagena,Spain | Spain | 1–3 | Loss |
| Playoffs | 16–17 April 2021 | Elite Tennis Club,Chornomorsk,Ukraine | Ukraine | 0–4 | Loss | |
| 2022 | Asia/Oceania Group I Round Robin | 12 April | Megasaray Tennis Academy,Antalya,Turkey | India | 3–0 | Won |
| Asia/Oceania Group I Round Robin | 13 April | Megasaray Tennis Academy, Antalya, Turkey |  Indonesia | 3–0 | Won | |
| Asia/Oceania Group I Round Robin | 14 April | Megasaray Tennis Academy, Antalya, Turkey | New Zealand | 3–0 | Won | |
| Asia/Oceania Group I Round Robin | 15 April | Megasaray Tennis Academy, Antalya, Turkey | South Korea | 2–1 | Won | |
| Asia/Oceania Group I Round Robin | 16 April | Megasaray Tennis Academy, Antalya, Turkey | China | 2–1 | Won | |
| Play-offs | 11–12 November | Ariake Coliseum, Tokyo, Japan | Ukraine | 1–3 | Loss | |
| 2023 | Asia/Oceania Group I Round Robin | 11 April | Olympic Tennis School,Tashkent,Uzbekistan | South Korea | 3–0 | Won |
| Asia/Oceania Group I Round Robin | 12 April | Olympic Tennis School, Tashkent, Uzbekistan | Thailand | 2–1 | Won | |
| Asia/Oceania Group I Round Robin | 13 April | Olympic Tennis School, Tashkent, Uzbekistan | Uzbekistan | 3–0 | Won | |
| Asia/Oceania Group I Round Robin | 14 April | Olympic Tennis School, Tashkent, Uzbekistan | India | 3–0 | Won | |
| Asia/Oceania Group I Round Robin | 15 April | Olympic Tennis School, Tashkent, Uzbekistan | China | 2–0 | Won | |
| Play-offs | 10–11 November | Ariake Coliseum, Tokyo, Japan | Colombia | 3–2 | Won | |
| 2024 | Qualifiers | 12–13 April | Ariake Coliseum, Tokyo, Japan | Kazakhstan | 3–1 | Won |
| Finals (Round 1) | 14 November | Martín Carpena Arena, Malaga, Spain | Romania | 2–1 | Won | |
| Finals (Quarter Final) | 16 November | Martín Carpena Arena, Malaga, Spain | Italy | 1–2 | Loss |
| |
| Editions by year | |
| World Group / Finals | |
| Qualifying rounds | |
| Play-offs | |
| World Group II | |
| 2025 BJK Cup finals teams | |
| Former World Group teams (in the current format, since 1995) | |
| Players | |
