- Born
- 1997-06-30 in Gwangwondo, South Korea
- Hand
- Right
- Backhand
- 2 Hands
- Height
- 175 cm
- Weight
- 65 kg
- Coach
- nan
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Seongchan Hong
Seongchan HongSeongchan Hong has found the Tour difficult, recording 6–13 across 19 matches (31.6%). The numbers point to a player still building their Tour presence — a key area of opportunity going forward.
By format — best-of-five: 1–2 (33.3%); best-of-three: 5–11 (31.3%). Slightly better in five-set matches — a positive sign for Grand Slam campaigns specifically.
Best season: 2024 — 3–4 (42.9%) from 7 matches. The best single-season display to date — a useful reference point as the career continues to develop.
| Date | Tournament | Srf | Rd | Wrk | Winner | Lrk | Loser | Score |
|---|---|---|---|---|---|---|---|---|
| 2024-09-13 | Davis Cup WG1 R1: POL vs KOR | Hard | RR | 141 | 173 | 7-6(8) 6-2 | ||
| 2024-07-29 | Washington | Hard | R16 | 60 | 175 | 6-3 6-3 | ||
| 2024-07-29 | Washington | Hard | R32 | 175 | 21 | 6-2 6-4 | ||
| 2024-07-29 | Washington | Hard | R64 | 175 | 89 | 7-6(6) 7-6(4) | ||
| 2024-03-04 | Indian Wells Masters | Hard | R128 | 81 | 227 | 6-3 6-4 | ||
| 2024-02-02 | Davis Cup QLS R1: CAN vs KOR | Hard | RR | 486 | 224 | 6-4 6-3 | ||
| 2024-02-02 | Davis Cup QLS R1: CAN vs KOR | Hard | RR | 132 | 224 | 7-5 4-6 6-1 | ||
| 2023-09-17 | Davis Cup Finals RR: ESP vs KOR | Hard | RR | 74 | 195 | 6-4 7-5 | ||
| 2023-09-14 | Davis Cup Finals RR: CZE vs KOR | Hard | RR | 119 | 194 | 7-6(8) 4-6 6-2 | ||
| 2023-09-12 | Davis Cup Finals RR: SRB vs KOR | Hard | RR | 52 | 194 | 6-4 7-6(3) |
