An Jae-sung


An Jae-sung is a retired South Korean tennis player.
An has a career high ATP singles ranking of 289 achieved on 14 April 2008. He also has a career high doubles ranking of 454 achieved on 18 August 2008.

Early life and career

An attended Konkuk University. While a student, he represented South Korea in tennis at the 2006 Asian Games in Doha, Qatar, where he and his teammates won a gold medal in the men's team event, thus securing an exemption from his mandatory military service.
An has been a member of the South Korea Davis Cup team from 2005 until 2008, competing in the World Group first round tie in 2008 against Germany.
In 2008, he captured his only ATP Challenger Tour doubles title in Moncton, Canada.
He retired in 2014, and now runs a tennis academy in Jeju.

ATP Challenger and ITF Futures finals

Singles: 11 (3–8)

ResultW–LDateTournamentTierSurfaceOpponentScore
Loss0–1Karuizawa, JapanFuturesClay Kwon Oh-hee2–6, 5–7
Loss0–2Kōfu, JapanFuturesCarpet Kwon Hyung-tae5–7, 1–6
Win1–2Seogwipo, South KoreaFuturesHard Norikazu Sugiyama3–6, 6–3, 6–2
Win2–2Khon Kaen, ThailandFuturesHard Simon Rea6–4, 6–1
Loss2–3Chiang Mai, ThailandFuturesHard Justin Diao Natale4–6, 4–6
Loss0–1New Delhi, IndiaChallengerHard Aisam-ul-Haq Qureshi5–7, 4–6
Loss2–4Nishitōkyō, JapanFuturesHard Gouichi Motomura7–5, 1–6, 2–6
Win3–4Kōfu, JapanFuturesHard Yūichi Sugita5–7, 6–4, 7–6
Loss3–5Tarakan, IndonesiaFuturesHard Christopher Rungkat3–6, 6–0, 2–6
Loss3–6Shenzhen, ChinaFuturesHard Zhang Ze4–6, 2–6
Loss3–7Taipei, TaiwanFuturesHard Hiroki Moriya3–6, 6–4, 3–6

Doubles: 17 (9–8)

ResultW–LDateTournamentTierSurfacePartnerOpponentsScore
Loss0–1Seogwipo, South KoreaFuturesHard Im Kyu-tae Kim Dong-hyun
Kwon Oh-hee
6–7, 2–6
Win1–1Andong, South KoreaFuturesHard Chung Hee-seok Jun Woong-sun
Kim Sun-yong
7–5, 6–4
Win2–1Andong, South KoreaFuturesHard Kwon Hyung-tae Im Kyu-tae
Takahiro Terachi
3–6, 4–6
Loss2–2Kusatsu, JapanFuturesCarpet Kim Dong-hyun Yaoki Ishii
Joji Miyao
6–3, 4–6, 2–6
Loss2–3Bangkok, ThailandFuturesHard Chung Hee-seok Yu Xinyuan
Zeng Shaoxuan
2–6, 7–5, 4–6
Loss2–4Nonthaburi, ThailandFuturesHard Chung Hee-seok Yu Xinyuan
Zeng Shaoxuan
2–6, 6–4, 2–6
Loss2–5Kōfu, JapanFuturesCarpet Daniel Yoo Akito Higa
Tomohiro Shinokawa
6–3, 4–6, 4–6
Loss2–6Gimcheon, South KoreaFuturesHard Chung Hee-seok Óscar Burrieza
Nikolai Nesterov
6–1, 7–5
Win1–0Moncton, CanadaChallengerHard Hiroki Kondo Daniel Chu
Adil Shamasdin
6–2, 2–6,
Win3–6Seogwipo, South KoreaFuturesHard Lee Chul-hee Gary Lugassy
Ludovic Walter
7–6, 7–5
Win4–6Gimcheon, South KoreaFuturesHard Lim Yong-kyu Junn Mitsuhashi
Yi Chu-huan
7–6, 6–4
Win5–6Bandung, IndonesiaFuturesHard Kim Young-jun Elbert Sie
Karunuday Singh
6–2, 5–7,
Win6–6Daegu, South KoreaFuturesHard Kim Young-jun Jaan-Frederik Brunken
Michael McClune
5–7, 7–5,
Loss6–7Cairns, AustraliaFuturesHard Elbert Sie Brydan Klein
James Lemke
w/o
Loss6–8Kaohsiung, TaiwanFuturesHard Kim Young-jun Denis Matsukevich
Frederik Nielsen
4–6, 1–6
Win7–8Ōarai, JapanFuturesHard Arata Onozawa Toshihide Matsui
Yi Chu-huan
2–6, 6–1,
Win8–8Seoul, South KoreaFuturesHard Lim Yong-kyu Chung Hyeon
Nam Ji-sung
6–3, 6–2