San Hui Sin: Ranking, Schedule & Stats
San Hui Sin is a professional tennis player from South Korea, born 18 March 1997. Sin plays right-handed. Sin stands 178 cm (5 ft 10 in) tall.
This page tracks San Hui Sin's upcoming schedule, latest results, recent form and surface record, with each match linking through to a detailed head-to-head and pre-match analysis. Scores update live as matches are played.
Current form
2026 season2026Sin has won 10 of the last 30 first sets
Sin has won 3 of 7 deciding sets
Ratings & strengths
Umpiry ratings · updated dailySurface performanceSurfaces
2026 seasonLast 12 monthsCareerMost matches this season came on hard: 3–8.
Most matches over the last 12 months came on hard: 4–12.
Most matches across the career came on hard: 18–34.
Recent results
Last 5Beyond today · rivals & careerBeyond today
Rivals
Most meetings
Most-played rivals. The record is Sin's wins–losses across all matches we have, qualifying excluded.
Season
Current seasonResults
Season breakdown
2026 · by level, surface, sets2026Career
Career overview
More career statistics
Career serve & return
Absolute totals across the 52 matches we have on record. Green is Sin, grey is the same stat by the players they faced.
1st-serve points won by season
| Season | Sin | Opponents |
|---|---|---|
| 2026 | 59% | 70% |
| 2025 | 64% | 67% |
| 2024 | 63% | 68% |
| 2023 | 64% | 75% |
| Career | 62% | 69% |
Counted from the match statistics we hold, season by season — the cards above are career totals from our data provider, so the two can differ by a few tenths. Seasons with fewer than three matches on record are left out.
Career win–loss by level
| Level | W–L | Win % | Titles |
|---|---|---|---|
| Other tour level | 0–1 | 0% | — |
| Tour level | 0–1 | 0% | 0 |
| Challenger | 8–20 | 29% | 0 |
| ITF / Futures | 6–9 | 40% | 0 |
Challenger and ITF matches are shown in grey and are not part of the tour-level total.
Record at one tournament
Every edition entered: year, best round reached, wins and losses. Most recent first.
Seoul CH · Editions 5 · Record 1–5 · Titles 0
Tournament page →| Year | Best round | W | L |
|---|---|---|---|
| 2025 | R32 | 0 | 1 |
| 2024 | R32 | 0 | 1 |
| 2023 | Qualifying | 0 | 1 |
| 2019 | R64 | 0 | 1 |
| 2018 | Qualifying | 1 | 1 |
More on Umpiry · discovery
More players from South Korea
All →Frequently asked · San Hui SinFrequently asked
How tall is San Hui Sin?
San Hui Sin is 178 cm (5 ft 10 in) tall.
When was San Hui Sin born?
San Hui Sin was born on 18 March 1997 (29 years old).
Where is San Hui Sin from?
San Hui Sin is from South Korea.
Is San Hui Sin right or left-handed?
San Hui Sin plays right-handed.
How good is San Hui Sin on hard?
San Hui Sin's hard-court record stands at 18-34, a 35% win rate.