# Yi Chu-huan

Yi Chu-huan (Chinese: 易楚寰; born 31 August 1987) is a Taiwanese professional tennis player who plays primarily on the ATP Challenger Tour and ITF Futures Tour. On 11 January 2010, he reached his highest ATP singles ranking at world No. 489. He reached his highest doubles ranking of world No. 109 on 20 February 2017.

## Juniors

As a junior, Yi reached his highest combined singles/doubles ranking of world No. 4 on April 25, 2005.
Yi won the 2005 Australian Open junior boys' doubles title. Partnering Kim Sun-Yong of Korea, they defeated Thiemo de Bakker and Donald Young 6–3, 6–4 in the final to win the championship.

## Career

Yi has reached 6 career singles finals, posting a record of 2 wins and 6 losses. Additionally, he has reached a bountiful 63 career doubles finals, holding s record of 35 wins and 28 losses.
He represents his native country of Chinese Taipei during Davis Cup play, and holds a record of 0–2 in singles matches and 4–7 in doubles matches for a combined total of a 4-9 record.

## ATP Challenger and ITF Futures finals
### Singles: 6 (2–4)

* Legend
* ATP Challenger (0–0)
* ITF Futures (2–4)
* Finals by surface
* Hard (1–3)
* Clay (0–1)
* Grass (0–0)
* Carpet (1–0)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Loss | 0–1 | Aug 2005 | Indonesia F1, Yogyakarta | Futures | Hard | Guilherme Ochiai | 6–3, 5–7, 3–6 |
| Loss | 0–2 | Jun 2008 | Japan F4, Karuizawa | Futures | Clay | Stephen Bass | 5–7, 6–4, 3–6 |
| Win | 1–2 | Mar 2009 | Japan F1, Nishitama | Futures | Hard | Yuichi Sugita | 6–2, 6–7$^{(1-7)}$, 7–5 |
| Loss | 1–3 | Mar 2009 | Japan F2, Tokyo | Futures | Hard | Gouichi Motomura | 6–3, 6–7$^{(1-7)}$, 3–6 |
| Win | 2–3 | Jun 2009 | Japan F6, Akishima | Futures | Carpet | Hiroki Moriya | 5–7, 6–2, 6–2 |
| Loss | 2–4 | Apr 2010 | Japan F3, Kofu | Futures | Hard | Go Soeda | 3–6, 4–6 |

### Doubles: 63 (35–28)

* Legend
* ATP Challenger (8–8)
* ITF Futures (27–20)
* Finals by surface
* Hard (28–25)
* Clay (2–1)
* Grass (1–0)
* Carpet (4–2)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Win | 1–0 | Aug 2005 | Indonesia F2, Semarang | Futures | Hard | Chang Kai-Lung | Suwandi Suwandi Bonit Wiryawan | 6–3, 6–4 |
| Loss | 1–1 | Sep 2005 | Japan F9, Kashiwa | Futures | Hard | Chang Kai-Lung | David Martin Michael Yani | 4–6, 4–6 |
| Loss | 1–2 | Dec 2005 | Sri Lanka F2, Colombo | Futures | Clay | Lee Hsin-Han | Vinod Sridhar Ravi-Shankar Pathanjali | 3–6, 3–6 |
| Loss | 1–3 | Apr 2006 | Japan F3, Shizuoka | Futures | Carpet | Liu Tai-Wei | Hiroki Kondo Takahiro Terachi | 2–6, 4–6 |
| Win | 2–3 | Sep 2006 | Japan F10, Sapporo | Futures | Carpet | Lee Hsin-Han | Minh Le James Pade | 4–6, 7–6$^{(7–2)}$, 6–4 |
| Loss | 2–4 | Oct 2007 | China F7, Beijing | Futures | Hard | Lin Tzu-Yang | Yu Xinyuan Zeng Shaoxuan | 6–7$^{(4-7)}$, 3–6 |
| Loss | 2–5 | Mar 2008 | Japan F2, Tokyo | Futures | Hard | Lin Tzu-Yang | Daniel King-Turner G.D. Jones | 3–6, 2–6 |
| Win | 3–5 | Apr 2008 | China F4, Taizhou | Futures | Hard | Lin Tzu-Yang | Yu Xinyuan Zeng Shaoxuan | 6–1, 6–1 |
| Loss | 3–6 | Aug 2008 | Indonesia F1, Jakarta | Futures | Hard | Peng Hsien-yin | Christopher Rungkat Ayrton Wibowo | 1–6, 5–7 |
| Win | 4–6 | Oct 2008 | Japan F10, Kashiwa | Futures | Hard | Yang Tsung-Hua | Peng Hsien-yin Huang Chin-Yu | 6–1, 6–2 |
| Loss | 4–7 | Oct 2008 | Japan F11, Tokyo | Futures | Hard | Yang Tsung-Hua | Hiroki Kondo Yaoki Ishii | 4–6, 2–6 |
| Win | 5–7 | Mar 2009 | Japan F1, Nishitama | Futures | Hard | Hiroyasu Sato | Akito Higa Tomohiro Shinokawa | 6–2, 6–3 |
| Win | 6–7 | Apr 2009 | Japan F3, Kofu | Futures | Hard | Yang Tsung-Hua | Yuya Kibi Tomohiro Shinokawa | 6–1, 6–0 |
| Win | 7–7 | Jun 2009 | Japan F6, Akishima | Futures | Carpet | Chen I-Ta | Tasuku Iwami Hiroki Kondo | 6–2, 5–7, [12–10] |
| Loss | 7–8 | Aug 2009 | China F5, Chongqing | Futures | Hard | Chen I-Ta | Zeng Shaoxuan Zhang Ze | 5–7, 6–7$^{(5–7)}$ |
| Win | 8–8 | Oct 2009 | Japan F8, Kashiwa | Futures | Hard | Junn Mitsuhashi | Yang Tsung-Hua Lee Hsin-Han | 6–4, 6–2 |
| Win | 9–8 | Nov 2009 | Yokohama, Japan | Challenger | Hard | Yang Tsung-Hua | Junn Mitsuhashi Alexey Kedryuk | 6–7$^{(9–11)}$, 6–3, [12–10] |
| Win | 10–8 | Mar 2010 | Japan F1, Tokyo | Futures | Hard | Bumpei Sato | Tasuku Iwami Hiroki Kondo | 6–4, 6–4 |
| Loss | 10–9 | Apr 2010 | Korea F2, Daegu | Futures | Hard | Hiroki Kondo | Adam Feeney Harri Heliovaara | 2–6, 2–6 |
| Loss | 10–10 | May 2010 | Korea F4, Gimcheon | Futures | Hard | Junn Mitsuhashi | An Jae-Sung Lim Yong-kyu | 6–7$^{(4-7)}$, 4–6 |
| Win | 11–10 | Jun 2010 | Malaysia F1, Kuala Lumpur | Futures | Hard | Yang Tsung-Hua | Kaden Hensel Dane Propoggia | 6–3, 6–3 |
| Win | 12–10 | Oct 2010 | Japan F9, Kashiwa | Futures | Hard | Yuichi Ito | Bumpei Sato Harri Heliovaara | 4–6, 6–1, [10–8] |
| Loss | 12–11 | Jan 2011 | China F1, Mengzi City | Futures | Hard | Lee Hsin-Han | Li Zhe Gong Maoxin | 1–6, 1–6 |
| Loss | 12–12 | Jan 2011 | China F2, Mengzi City | Futures | Hard | Lee Hsin-Han | Li Zhe Gong Maoxin | 6–4, 3–6, [4–10] |
| Win | 13–12 | Jun 2011 | Korea F3, Gimcheon | Futures | Hard | Hiroki Kondo | Oh Dae-Soung Seol Jae-Min | 0–6, 6–3, [10–5] |
| Win | 14–12 | Jun 2011 | Japan F6, Kashiwa | Futures | Hard | Christopher Rungkat | Lee Hsin-Han Hsieh Cheng-peng | 7–6$^{(7–2)}$, 6–3 |
| Win | 15–12 | Jun 2011 | Japan F7, Tokyo | Futures | Grass | Christopher Rungkat | Lee Hsin-Han Hsieh Cheng-peng | 6–4, 6–3 |
| Loss | 15–13 | Jul 2011 | Chinese Taipei F1, Taipei | Futures | Hard | Yuichi Ito | Lee Hsin-Han Hsieh Cheng-peng | 3–6, 2–6 |
| Win | 16–13 | Oct 2011 | Indonesia F4, Jakarta | Futures | Hard | Li Zhe | Rohan Gajjar Yuki Bhambri | 6–3, 6–2 |
| Win | 17–13 | Nov 2011 | Chinese Taipei F3, Tainan | Futures | Clay | Huang Liang-Chi | Aleksandar Lazov Nikolaus Moser | 6–3, 6–4 |
| Win | 18–13 | Nov 2011 | Chinese Taipei F4, Tainan | Futures | Clay | Huang Liang-Chi | Takuto Niki Arata Onozawa | 6–3, 6–4 |
| Win | 19–13 | Nov 2011 | Toyota, Japan | Challenger | Carpet | Hiroki Kondo | Gao Peng Gao Wan | 6–4, 6–1 |
| Win | 20–13 | Mar 2012 | Japan F1, Nishitama | Futures | Hard | Hiroki Kondo | Gao Peng Gao Wan | 7–6$^{(7-4)}$, 7–5 |
| Loss | 20–14 | May 2012 | Korea F2, Changwon | Futures | Hard | Huang Liang-Chi | Michael Look Frederik Nielsen | 2–6, 1–6 |
| Win | 21–14 | Jun 2012 | Korea F3, Gimcheon | Futures | Hard | Huang Liang-Chi | Michael McClune Nima Roshan | 6–3, 6–3 |
| Win | 22–14 | Jun 2012 | China F9, Shenyang | Futures | Hard | Huang Liang-Chi | Gao Peng Wu Di | 7–6$^{(7-2)}$, 7–5 |
| Loss | 22–15 | Jul 2012 | China F10, Shenyang | Futures | Hard | Huang Liang-Chi | Gao Xin Li Zhe | 4–6, 5–7 |
| Loss | 22–16 | Oct 2012 | Japan F9, Oarai | Futures | Hard | Toshihide Matsui | Arata Onozawa An Jae-Sung | 6–2, 1–6, [6–10] |
| Win | 23–16 | Aug 2014 | Chinese Taipei F2, Kaohsiung | Futures | Hard | Wang Chieh-Fu | Arata Onozawa Yang Tsung-Hua | 6–3, 6–2 |
| Win | 24–16 | Feb 2015 | Hong Kong Challenger | Challenger | Carpet | Hsieh Cheng-peng | Sanam Singh Saketh Myneni | 6–4, 6–2 |
| Win | 25–16 | Mar 2015 | Chinese Japan F1, Tokyo | Futures | Hard | Yuichi Ito | Shintaro Imai Yuhei Kono | 6–3, 3–6, [12–10] |
| Win | 26–16 | May 2015 | China F5, Wuhan | Futures | Hard | Huang Liang-Chi | Arata Onozawa Bai Yan | 4–6, 6–1, [11–9] |
| Loss | 26–17 | Jun 2015 | Hong Kong F1 | Futures | Hard | He Yecong | Yeung Pak Long Hsieh Cheng-peng | 6–4, 4–6, [5–10] |
| Win | 27–17 | Jun 2015 | Hong Kong F2 | Futures | Hard | Huang Liang-Chi | Hung Jui-Chen Wang Chieh-Fu | 4–6, 7–6$^{(7-2)}$, [10–6] |
| Win | 28–17 | Jun 2015 | Hong Kong F3 | Futures | Hard | Hsieh Cheng-peng | Hung Jui-Chen Wang Chieh-Fu | 6–3, 6–7$^{(6-8)}$, [10–7] |
| Win | 29–17 | Aug 2015 | China F13, Putian | Futures | Hard | Bai Yan | Bumpei Sato Sho Katayama | 6–2, 7–6$^{(7-4)}$ |
| Loss | 29–18 | Aug 2015 | Chinese Taipei F1, Kaohsiung | Futures | Hard | Bai Yan | Hsieh Cheng-peng Yang Tsung-Hua | 4–6, 6–7$^{(5-7)}$ |
| Win | 30–18 | Sep 2015 | Shanghai, China | Challenger | Hard | Wu Di | Luca Vanni Thomas Fabbiano | 6–3, 7–5 |
| Loss | 30–19 | Nov 2015 | Yokohama, Japan | Challenger | Hard | Riccardo Ghedin | Sonchat Ratiwatana Sanchai Ratiwatana | 4–6, 4–6 |
| Loss | 30–20 | Nov 2015 | Toyota, Japan | Challenger | Carpet | Riccardo Ghedin | Matt Reid Brydan Klein | 2–6, 6–7$^{(3-7)}$ |
| Win | 31–20 | Feb 2016 | Kyoto, Japan | Challenger | Hard | Gong Maoxin | Go Soeda Yasutaka Uchiyama | 6–3, 7–6$^{(9-7)}$ |
| Win | 32–20 | Mar 2016 | Zhuhai, China | Challenger | Hard | Gong Maoxin | Wu Di Hsieh Cheng-peng | 2–6, 6–1, [10-5] |
| Loss | 32–21 | May 2016 | Seoul, South Korea | Challenger | Hard | Gong Maoxin | Matt Reid John-Patrick Smith | 3–6, 5–7 |
| Loss | 32–22 | Jun 2016 | Hong Kong F1 | Futures | Hard | Huang Liang-Chi | Ning Yuqing Yu Cheng-Yu | walkover |
| Win | 33–22 | Sep 2016 | Shanghai, China | Challenger | Hard | Hsieh Cheng-peng | Gao Xin Li Zhe | 7–6$^{(8-6)}$, 5–7, [10–0] |
| Loss | 33–23 | Sep 2016 | Taipei, Taiwan | Challenger | Hard | Hsieh Cheng-peng | Sonchat Ratiwatana Sanchai Ratiwatana | 4–6, 6–7$^{(4-7)}$ |
| Loss | 33–24 | Mar 2017 | Zhuhai, China | Challenger | Hard | Ruan Roelofse | Gong Maoxin Zhang Ze | 3–6, 6–7$^{(4-7)}$ |
| Loss | 33–25 | May 2017 | Gimcheon, South Korea | Challenger | Hard | Ruan Roelofse | Marco Chiudinelli Teymuraz Gabashvili | 1–6, 3–6 |
| Win | 34–25 | Jun 2017 | Chinese Taipei F2, Taipei | Futures | Hard | Chiu Yu Hsiang | Shintaro Imai Takuto Niki | 2–6, 7–6$^{(7-5)}$, [10–8] |
| Loss | 34–26 | Sep 2017 | Zhangjiagang, China | Challenger | Hard | Chen Ti | Gao Xin Zhang Zhizhen | 2–6, 3–6 |
| Win | 35–26 | Sep 2017 | Shanghai, China | Challenger | Hard | Toshihide Matsui | Bradley Klahn Peter Polansky | 7–6$^{(7-1)}$, 4–6, [10–5] |
| Loss | 35–27 | May 2018 | Seoul, South Korea | Challenger | Hard | Chen Ti | Frederik Nielsen Toshihide Matsui | 4–6, 6–7$^{(3-7)}$ |
| Loss | 35–28 | Jul 2018 | Hong Kong F1 | Futures | Hard | Francis Casey Alcantara | Yeung Pak Long Wong Chun Hun | 4–6, 2–6 |

## Junior Grand Slam finals
### Doubles: 1 (1 title)

| Result | Year | Tournament | Surface | Partner | Opponent | Score |
| Win | 2005 | Australian Open | Hard | Kim Sun-Yong | Thiemo de Bakker Donald Young | 6–3, 6–4 |