| Hong Seong-chan | |
| Country: | South Korea |
| Residence: | Gangwondo, South Korea |
| Birth Date: | 1997 6, df=yes |
| Birth Place: | Gangwondo, South Korea |
| Plays: | Right-handed (two handed-backhand) |
| Careerprizemoney: | $331,769 |
| Singlesrecord: | 5–18 |
| Singlestitles: | 0 |
| Highestsinglesranking: | No. 154 (19 August 2024) |
| Currentsinglesranking: | No. 154 (19 August 2024) |
| Frenchopenresult: | Q1 (2023, 2024) |
| Wimbledonresult: | Q1 (2023, 2024) |
| Usopenresult: | Q2 (2023, 2024) |
| Doublesrecord: | 0–2 |
| Doublestitles: | 0 |
| Highestdoublesranking: | No. 359 (16 January 2023) |
| Currentdoublesranking: | No. 717 (15 January 2024) |
| Updated: | 12 August 2024 |
| Hangul: | 홍성찬 |
| Rr: | Hong Seongchan |
| Mr: | Hong Sŏngch'an |
Hong Seong-chan (born 30 June 1997)[1] is a South Korean tennis player. Hong has a career high ATP singles ranking of world No. 156 achieved on 12 August 2024 and a doubles ranking of No. 359 achieved on 16 January 2023.[2] He is the current Korean No. 1 singles player.[3]
Since 2015, Hong has been a member of the South Korean Davis Cup team.[4]
Hong reached the final of the 2015 Australian Open junior championships, falling to top seed Roman Safiullin in the final.
Hong had a career high junior ranking of No. 3.
He lifted his maiden trophy at the ATP 2022 Matsuyama Challenger.
He reached the last round of qualifying at the 2023 Rolex Shanghai Masters.
Ranked No. 227, he qualified for the 2024 BNP Paribas Open having entered the qualifying competition as an alternate after Yosuke Watanuki‘s withdrawal, making his Masters debut.[5]
Ranked No. 175 he qualified for the ATP 500 Citi DC Open in Washington and defeated Adam Walton and upset third seed Karen Khachanov, for his first top 30 win.
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| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|
| Loss | 0–1 | Qatar F5, Doha | Futures | Hard |  Joris De Loore | 3–6, 2–6 | ||
| Loss | 0–2 | Turkey F4, Antalya | Futures | Hard | Joris De Loore | 4–6, 2–6 | ||
| Win | 1–2 | Turkey F5, Antalya | Futures | Hard |  Roman Safiullin | 6–2, 7–5 | ||
| Win | 2–2 | Turkey F6, Antalya | Futures | Hard | Frederico Ferreira Silva | 7–5, 6–4 | ||
| Win | 3–2 | Turkey F7, Antalya | Futures | Hard | Dimitar Kuzmanov | 6–4, 6–3 | ||
| Win | 4–2 | Vietnam F1, Thủ Dầu Một | Futures | Hard |  Rishab Agarwal | 6–1, 6–2 | ||
| Win | 5–2 | Vietnam F3, Thủ Dầu Một | Futures | Hard |  Jacob Grills | 6–1, 6–7(4–7), 6–0 | ||
| Loss | 5–3 | Thailand F2, Hua Hin | Futures | Hard | Sriram Balaji | 4–6, 6–7(3–7) | ||
| Loss | 5–4 | Korea F1, Sangju | Futures | Hard |  Daniel Nguyen | 4–6, 7–5, 2–6 | ||
| Win | 6–4 | Japan F3, Kofu | Futures | Hard |  Makoto Ochi | 7–6, 6–1 | ||
| Win | 7–4 | M15 Nishi-Tokyo, Japan | World Tennis Tour | Hard | Shuichi Sekiguchi | 7–6(7–2), 6–4 | ||
| Win | 8–4 | M15 Daegu, South Korea | World Tennis Tour | Hard |  Na Jung-woong | 6–0, 6–3 | ||
| Win | 9–4 | M15 Gimcheon, South Korea | World Tennis Tour | Hard | Yuta Shimizu | 6–1, 5–7, 6–2 | ||
| Win | 10–4 | M15 Hua Hin, Thailand | World Tennis Tour | Hard | Dayne Kelly | 7–5, 6–3 | ||
| Win | 11–4 | M15 Antalya, Turkey | World Tennis Tour | Clay |  Sanjar Fayziev | 6–1, 6–3 | ||
| Win | 12–4 | M15 Monastir, Tunisia | World Tennis Tour | Hard |  Luca Giacomini | 7–5, 6–3 | ||
| Win | 13–4 | M15 Chiang Rai, Thailand | World Tennis Tour | Hard | Lý Hoàng Nam | 6–3, 3–6, 7–5 | ||
| Win | 14–4 | M25 Tamuning, Guam | World Tennis Tour | Hard | Rio Noguchi | 6–3, 6–2 | ||
| Loss | 14–5 | M25 Tamuning, Guam | World Tennis Tour | Hard | Sho Shimabukuro | 6–3, 4–6, 1–6 | ||
| Win | 15–5 | Matsuyama, Japan | Challenger | Hard | Wu Tung-lin | 6–3, 6–2 | ||
| Loss | 15–6 | Nonthaburi, Thailand | Challenger | Hard | Matteo Gigante | 4–6, 1–6 | ||
| Loss | 15–7 | Bangalore, India | Challenger | Hard | Stefano Napolitano | 6–4, 3–6, 3–6 | ||
| Loss | 15–8 | Busan, South Korea | Challenger | Hard | Yasutaka Uchiyama | 6–7(4–7), 3–6 |
| Legend | |
|---|---|
| Grand Slam | |
| ATP Masters Series | |
| ATP Tour | |
| Challengers | |
| ITF Futures (8–2) |
| Outcome | Date | Tournament | Surface | Partner | Opponent | Score | |
|---|---|---|---|---|---|---|---|
| Win | Daegu, South Korea | Hard | Lee Hyung-taik | Nam Ji-sung Song Min-kyu | 6–3, 6–3 | ||
| Loss | Antalya, Turkey | Hard | Benjamin Lock |  Pedro BernardiChristopher Díaz Figueroa | 6–2, 2–6, 10–12 | ||
| Loss | Gimcheon, South Korea | Hard | Kim Young-seok | Kim Hyun-joon Noh Sang-woo | 6–2, 1–6, 12–14 | ||
| Win | Daegu, South Korea | Hard | Chung Yun-seong | Kwon Soon-woo Lim Yong-kyu | W/O | ||
| Win | Hua Hin, Thailand | Hard | Shin San-hui | Hsu Yu-hsiou Lin Wei-de | 6–4, 6–4 | ||
| Win | Monastir, Tunisia | Hard | Nam Ji-sung |  Matias Franco Descotte Filip Peliwo | 6–3, 6–1 | ||
| Win | Monastir, Tunisia | Hard | Nam Ji-sung | Timur Kiyamov Kelsey Stevenson | 6–2, 6–4 | ||
| Win | Antalya, Turkey | Clay | Nam Ji-sung |  Dragoș Nicolae Mădăraș Oleksandr Ovcharenko | 6–3, 6–3 | ||
| Win | Antalya, Turkey | Clay | Nam Ji-sung |  Sarp Ağabigün Mircea-Alexandru Jecan | 6–4, 6–4 | ||
| Win | Chiang Rai, Thailand | Hard | Kim Cheong-eui | Nam Ji-sung Song Min-kyu | 4–6, 7–6(7–2), 10–8 |