Yuichi Ito (井藤 祐一, Itō Yūichi, born 6 August 1986) is a Japanese tennis player.

Ito has a career high ATP singles ranking of 325 achieved on 5 July 2010.^[1] He also has a career high ATP doubles ranking of 328, achieved on 8 July 2013. Ito has won 4 ITF singles titles and 11 ITF doubles titles.

Ito made his ATP main draw debut at the 2008 AIG Japan Open Tennis Championships, where he qualified for the singles draw.

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Win	1–0	Sep 2007	Japan F8, Osaka	Futures	Hard	Toshihide Matsui	6–1, 2–6, 6–4
Loss	1–1	Jul 2009	Japan F7, Sapporo	Futures	Clay	Yuichi Sugita	3–6, 5–7
Loss	1–2	Aug 2009	China F5, Chongqing	Futures	Hard	Shao-Xuan Zeng	4–6, 7–6(7–4), 2–6
Win	2–2	Aug 2009	China F6, Jiaxing	Futures	Hard	Min Hyeok Cho	6–4, 1–6, 7–5
Win	3–2	Mar 2010	Japan F1, Tokyo	Futures	Hard	Hiroki Moriya	7–5, 1–6, 6–4
Win	4–2	Apr 2013	Japan F4, Tsukuba	Futures	Hard	Issei Okamura	6–3, 3–6, 6–2
Loss	4–3	Sep 2013	Australia F8, Alice Springs	Futures	Hard	Jordan Thompson	4–6, 1–6
Loss	4–4	Jun 2018	Guam F1, Tumon	Futures	Hard	Yuta Shimizu	3–6, 2–6

Result	W–L	Date	Tournament	Tier	Surface	Partnet	Opponents	Score
Loss	0–1	May 2005	Japan F4, Munakata	Futures	Hard	Katsushi Fukuda	Phillip King Michael Yani	4–6, 4–6
Loss	0–2	Jun 2006	Japan F6, Karuizawa	Futures	Clay	Katsushi Fukuda	Yaoki Ishii Satoshi Iwabuchi	3–6, 0–6
Loss	0–3	Apr 2009	India F3, New Delhi	Futures	Hard	Raven Klaasen	N.Sriram Balaji Ashutosh Singh	6–7(1–7), 6–7(7–9)
Win	1–3	Jun 2009	Japan F5, Kusatsu	Futures	Carpet	Weerapat Doakmaiklee	Hiroki Kondo Kento Takeuchi	6–7(4–7), 7–6(7–4), [12-10]
Loss	1–4	Jul 2009	Japan F7, Sapporo	Futures	Clay	Tatsuma Ito	Hiroki Kondo Takao Suzuki	3–6, 6–7(4–7)
Loss	1–5	Jun 2010	Japan F6, Kusatsu	Futures	Carpet	Lee Hsin-Han	Chen I-Ta Hsieh Cheng-peng	4–6, 5–7
Win	2–5	Oct 2010	Japan F9, Kashiwa	Futures	Hard	Yi Chu-Huan	Harri Heliovaara Bumpei Sato	4–6, 6–1, [10-8]
Loss	2–6	May 2011	Indonesia F1, Jakarta	Futures	Hard	Kento Takeuchi	Lee Hsin-Han Hsieh Cheng-peng	6–7(5–7), 6–7(4–7)
Loss	2–7	Jul 2011	Chinese Taipei F1, Taipei	Futures	Hard	Yi Chu-Huan	Lee Hsin-Han Hsieh Cheng-peng	3–6, 2–6
Loss	2–8	Oct 2011	USA F25, Laguna Niguel	Futures	Hard	Yaoki Ishii	Benjamin Rogers John-Patrick Smith	3–6, 6–7(3–7)
Loss	2–9	Jul 2012	Granby, Canada	Challenger	Hard	Takuto Niki	Philip Bester Vasek Pospisil	1–6, 2–6
Win	3–9	Aug 2012	Canada F6, Winnipeg	Futures	Hard	Ante Pavic	Filip Peliwo Milan Pokrajac	3–6, 6–3, [20-18]
Loss	3–10	Sep 2012	Australia F7, Happy Valley	Futures	Hard	Yusuke Watanuki	Luke Saville Andrew Whittington	3–6, 2–6
Loss	3–11	Apr 2013	Japan F4, Tsukuba	Futures	Hard	Shota Tagawa	Daiki Kondo Masato Shiga	3–6, 6–7(2–7)
Win	4–11	Apr 2013	China F1, Chengdu	Futures	Hard	Hiroki Kondo	Brydan Klein Danai Udomchoke	6–4, 6–4
Loss	4–12	Jun 2013	Guam F1, Tumon	Futures	Hard	Takuto Niki	Bumpei Sato Yasutaka Uchiyama	6–7(2–7), 4–6
Loss	4–13	Aug 2013	Chinese Taipei F1, Taipei	Futures	Hard	Hiroki Kondo	Ti Chen Huang Liang-Chi	1–6, 1–6
Loss	4–14	Dec 2013	Thailand F4, Bangkok	Futures	Hard	Yasutaka Uchiyama	Lim Yong-kyu Noh Sang-Woo	5–7, 6–7(4–7)
Loss	4–15	Dec 2013	Thailand F5, Bangkok	Futures	Hard	Yasutaka Uchiyama	Gao Peng Gao Wan	4–6, 7–6(7–3), [14-16]
Win	5–15	Feb 2014	Thailand F1, Nonthaburi	Futures	Hard	Hiroki Kondo	Lewis Burton Marcus Willis	3–6, 6–3, [10-8]
Loss	5–16	Mar 2014	Japan F2, Tokyo	Futures	Hard	Hiroki Kondo	Bumpei Sato Sho Katayama	2–6, 6–4, [6-10]
Loss	5–17	Mar 2015	Japan F1, Nishi-Tama	Futures	Hard	Arata Onozawa	Yuya Kibi Takuto Niki	3–6, 6–3, [9-11]
Win	6–17	Mar 2015	Japan F2, Tokyo	Futures	Hard	Yi Chu-Huan	Shintaro Imai Yuhei Kono	6–3, 3–6, [12-10]
Win	7–17	May 2015	Thailand F2, Bangkok	Futures	Hard	Sho Katayama	Ken Onoda Masato Shiga	6–4, 6–4
Loss	7–18	May 2015	Thailand F3, Bangkok	Futures	Hard	Sho Katayama	Pruchya Isaro Nuttanon Kadchapanan	4–6, 4–6
Win	8–18	May 2015	Guam F1, Tumon	Futures	Hard	Jeevan Nedunchezhiyan	Masakatsu Noguchi Masaki Sasai	2–6, 6–3, [10-7]
Loss	8–19	Apr 2016	Japan F4, Tsukuba	Futures	Hard	Sho Katayama	Ben Mclachlan Finn Tearney	6–3, 4–6, [4-10]
Win	9–19	Apr 2016	Japan F5, Kashiwa	Futures	Hard	Sho Katayama	Shintaro Imai Takuto Niki	6–3, 6–3
Loss	9–20	May 2016	India F1, Chandigarh	Futures	Hard	Sho Katayama	N.Sriram Balaji Vishnu Vardhan	1–6, 4–6
Win	10–20	May 2016	India F2, Jassowal	Futures	Hard	Sho Katayama	Mohit Mayur Jayaprakash Vinayak Sharma Kaza	7–5, 7–5
Loss	10–21	Jun 2016	Japan F8, Akishima	Futures	Carpet	Kaito Uesugo	Katsuki Nagao [Hiromasa Oku	4–6, 2–6
Win	11–21	Sep 2016	Thailand F3, Hua Hin	Futures	Hard	Jumpei Yamasaki	Patcharapol Kawin Jirat Navasirisomboon	6–3, 6–3
Loss	11–22	Feb 2017	Turkey F5, Antalya	Futures	Hard	Marat Deviatiarov	Michal Konecny Matej Vocel	3–6, 6–3, [7-10]
Loss	11–23	Mar 2017	Japan F3, Kofu	Futures	Hard	Jumpei Yamasaki	Katsuki Nagao Hiromasa Oku	4–6, 7–6(7–4), [3-10]
Loss	11–24	Jun 2017	Singapore F3, Singapore	Futures	Hard	Nam Hoang Ly	Francis Casey Alcantara Sem Verbeek	6–7(3–7), 2–6
Loss	11–25	Oct 2017	Thailand F8, Nonthaburi	Futures	Hard	Nam Hoang Ly	Pruchya Isaro Masato Shiga	3–6, 1–6
Loss	11–26	Nov 2017	Malaysia F3, Kuala Lumpur	Futures	Hard	Nuttanon Kadchapanan	Aoran Wang Jurabek Karimov	6–7(5–7), 4–6
Loss	11–27	Dec 2017	Israel F17, Tiberias	Futures	Hard	Vladyslav Orlov	Christian Hirschmueller Volodymyr Uzhylovskyi	3–6, 4–6

• Yuichi Ito at the Association of Tennis Professionals
• Yuichi Ito at the International Tennis Federation