| Chung Hee-sung | |
| Birth Date: | 25 November 1976 |
| Careerprizemoney: | $20,278 |
| Singlesrecord: | 0–1 (Davis Cup) |
| Highestsinglesranking: | No. 680 (24 Jun 1996) |
| Doublesrecord: | 2–2 (Davis Cup) |
| Highestdoublesranking: | No. 434 (15 Oct 2001) |
Chung Hee-sung (born 25 November 1976) is a South Korean former professional tennis player.
Chung, a graduate of Samil Technical High School in Suwon, began competing on the professional tour in the mid 1990s and reached a best singles world ranking of 680.[1] He was a quarter-finalist at the ATP Challenger tournament in Seoul in 1995.[2] From 2000 to 2003 he represented South Korea in the Davis Cup, featuring mostly in doubles. He won six ITF Futures doubles titles during his career. In 2018 he took over as captain of the South Korea Davis Cup team.[3]
| No. | Date | Tournament | Surface | Partner | Opponents | Score | |
|---|---|---|---|---|---|---|---|
| 1. | Korea F1, Seoul | Clay |  Chung Hee-seok | Han Min-kyu Lee Hyung-taik | 6–4, 6–4 | ||
| 2. | Korea Rep. F1, Seoul | Clay | Song Hyeong-keun |  Diego Ayala Rafael de Mesa | 7–5, 3–6, 6–4 | ||
| 3. | Chinese Taipei F2 F, Kaohsiung | Hard | Song Hyeong-keun |  Tetsuya Chaen Masahide Sakamoto | 6–2, 6–4 | ||
| 4. | Korea Rep. F3, Cheongju | Clay | Song Hyeong-keun |  Roberto Álvarez Jordane Doble | 6–3, 6–4 | ||
| 5. | Korea Rep. F4, Seogwipo | Hard | Chung Hee-seok | Kang Byung-kook Lee Sang-hoon | 6–2, 6–2 | ||
| 6. | Korea Rep. F1, Cheongju | Clay | Chung Hee-seok |  Lauri Kiiski Brad Weston | 4–6, 6–2, 6–3 |