Jiyoung Seo vs Siyoen SimPrediction, Head-to-Head Results, and Stats
Jiyoung Seo and Siyoen Sim have met 1 time since 2026; Siyoen Sim leads 1–0. Across all meetings Seo has taken 0 sets to Sim's 2. Their most recent meeting: Siyoen Sim won at W35 Changwon (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Seo | Sim | ||
|---|---|---|---|---|
| Indicator | Jiyoung Seo | Siyoen Sim | ||
| Wins in straight sets | 100% | 1/1 | 100% | 1/1 |
| Wins a set when losing | 20% | 1/5 | 20% | 1/5 |
| Goes to a deciding set | 17% | 1/6 | 17% | 1/6 |
| Covers −1.5 sets as favorite | — | 0% | 0/1 | |
| Covers +1.5 sets as underdog | — | 0% | 0/1 | |
| Tiebreak sets won | — | 0% | 0/3 | |
| Wins after taking set 1 | 50% | 1/2 | 100% | 1/1 |
| Wins 2-0 after taking set 1 | 50% | 1/2 | 100% | 1/1 |
Colored rows are higher-is-better: green above 50%, red below. Favorite/underdog set by book odds; cover rows count only matches with odds on record. Small sample — read with care. Head-to-head: 1 of 1 completed meetings ended in straight sets (Seo 0, Sim 1).
Previous meetings
1 career meeting, newest first
May 3, 2026
W35 Changwon
H Hard · 1st Round Qualifying
Common opponents
Results vs. opponents both players faced · Last 12 months
Sim has a higher win rate against shared opponents (100% vs Seo's 0%).
| Opponent | Seo | Sim |
|---|---|---|
| Jeong In Choi | L 75 46 710 | W |
Recent Form
Last five matches per player
Dami Lee
W15 Yeongwol · 1st Round Qualifying
Sep 6
Jeong In Choi
W15 Yeongwol · 1st Round Qualifying
Aug 30
Nanari Katsumi
W35 Changwon · 2nd Round Qualifying
May 18
Hyoim Jeong
W35 Changwon · 1st Round Qualifying
May 17
Nanari Katsumi
W35 Andong · 2nd Round Qualifying
May 11
Kahyeon Han
W35 Andong · 1st Round Qualifying
May 10
Siyoen Sim
W35 Changwon · 1st Round Qualifying
May 3
Natalia Fehr
W35 Goyang · 1st Round Qualifying
Apr 26
Dabin Kim
W35 Changwon · 3rd Round Qualifying
May 5
Dain Lee
W35 Changwon · 2nd Round Qualifying
May 4
Jiyoung Seo
W35 Changwon · 1st Round Qualifying
May 3
Hania Abouelsaad
W15 Sharm ElSheikh 4 · 1st Round
Feb 18
Ho Ching Wu
W15 Sharm ElSheikh 3 · 1st Round
Feb 11
Amra Sadikovic
W15 Sharm ElSheikh 2 · 1st Round
Feb 4
Amra Hercegovac Sadikovic
W15 Sharm ElSheikh · Round of 32
Feb 4
Win rate
Matches, sets and games won · Last 12 months · 6–6 matches
| Metric | Seo | Sim |
|---|---|---|
| Matches won | 17% | 17% |
| Sets won | 23% | 23% |
| Games won | 40% | 45% |
Record by tier
Head-to-head record by tournament tier
| Stage | Seo | Sim |
|---|---|---|
| ITF W35 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Seo | Sim |
|---|---|---|
| Hard | 0 | 1 |
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