| Jeong Suk-young 정석영 | |
| Birth Date: | 1993 4, df=yes |
| Birth Place: | Busan, South Korea |
| Plays: | Right-handed (two-handed backhand) |
| Careerprizemoney: | $55,015 |
| Singlesrecord: | 4–5 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Singlestitles: | 0 0 Challenger, 1 Futures |
| Highestsinglesranking: | No. 270 (9 September 2013) |
| Doublesrecord: | 0–1 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Doublestitles: | 0 0 Challenger, 0 Futures |
| Highestdoublesranking: | No. 466 (16 September 2013) |
| Updated: | 1 August 2022 |
| Hangul: | 정석영 |
| Rr: | Jeong Seokyeong |
| Mr: | Chŏng Sŏkyŏng |
Jeong Suk-young (Korean: 정석영; born 12 April 1993) is a South Korean tennis player.
Jeong has a career high ATP singles ranking of 270 achieved on 9 September 2013. He also has a career high ATP doubles ranking of 466 achieved on 16 September 2013.
Jeong made his ATP main draw debut at the 2013 PTT Thailand Open in the singles draw facing Denis Istomin. Jeong also represents South Korea at the Davis Cup, where he has a W/L record of 4–5.
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| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|
| Loss | 0–1 | Thailand F3, Nakhon Ratchasima | Futures | Hard | Sebastian Rieschick | 1–6, 1–6 | ||
| Win | 1–1 | India F10, Coimbatore | Futures | Hard |  Vijay Sundar Prashanth | 6–2, 7–5 | ||
| Loss | 1–2 | India F11, Chennai | Futures | Hard | Saketh Myneni | 3–6, 6–2, 4–6 | ||
| Loss | 1–3 | Ningbo, China | Challenger | Hard | Peter Gojowczyk | 3–6, 1–6 | ||
| Loss | 1–4 | Indonesia F3, Jakarta | Futures | Hard | Christopher Rungkat | 4–6, 5–7 | ||
| Loss | 1–5 | Bangkok, Thailand | Challenger | Hard | Blaz Kavcic | 3–6, 1–6 |
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| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score | |
|---|---|---|---|---|---|---|---|---|---|
| Loss | 0–1 | Chinese Taipei F2, Taipei | Futures | Hard | Huang Liang-Chi | Hsieh Cheng-peng Lee Hsin-Han | 6–1, 3–6, [5–10] | ||
| Loss | 0–2 | Korea F1, Daegu | Futures | Hard |  Hong Chung |  Sam Groth Adam Hubble | 1–6, 4–6 | ||
| Loss | 0–3 | Busan, South Korea | Challenger | Hard | Lim Yong-kyu | Peng Hsien-yin Yang Tsung-hua | 4–6, 3–6 | ||
| Loss | 0–4 | Bangkok, Thailand | Challenger | Hard | Nam Ji-sung | Ti Chen Huang Liang-Chi | 3–6, 2–6 |