Jiyoung Seo vs Nanari KatsumiPrediction, Head-to-Head Results, and Stats
Jiyoung Seo and Nanari Katsumi have met 2 times since 2026; Nanari Katsumi leads 2–0. Their first meeting came at W35 Andong in 2026 on hard. On hard courts Katsumi leads 2–0. Katsumi has won the last 2 meetings. Across all meetings Seo has taken 0 sets to Katsumi's 4. Their most recent meeting: Nanari Katsumi won at W35 Changwon (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Seo | Katsumi | ||
|---|---|---|---|---|
| Indicator | Jiyoung Seo | Nanari Katsumi | ||
| Wins in straight sets | 100% | 1/1 | 70% | 16/23 |
| Wins a set when losing | 20% | 1/5 | 15% | 4/27 |
| Goes to a deciding set | 17% | 1/6 | 22% | 11/50 |
| Covers −1.5 sets as favorite | — | 62% | 8/13 | |
| Covers +1.5 sets as underdog | — | 40% | 8/20 | |
| Tiebreak sets won | — | 50% | 1/2 | |
| Wins after taking set 1 | 50% | 1/2 | 90% | 19/21 |
| Wins 2-0 after taking set 1 | 50% | 1/2 | 76% | 16/21 |
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: 2 of 2 completed meetings ended in straight sets (Seo 0, Katsumi 2).
Previous meetings
2 career meetings, newest first
May 18, 2026
W35 Changwon
H Hard · 2nd Round Qualifying
May 11, 2026
W35 Andong
H Hard · 2nd Round Qualifying
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Seo | Katsumi |
|---|---|---|
| W-L | - | 4–5 |
| Avg odds | - | 2.72 |
| ROI % | - | -18.4% |
| Units P/L | - | -1.66u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Seo | Katsumi |
|---|---|---|
| Countries | — | 2 |
| Events | — | 2 |
| Matches | — | 4 |
| Distance | — | — |
| Route | — | TUN → UKR |
Host country from each tournament in the last 30 days, including the current event even when a player arrived on a bye. Route is the order of countries visited; consecutive stops in the same country are shown once. Distance is the great-circle total between host cities, shown only when every stop in the window is geocoded. A rough fatigue signal, not a headline stat.
Common opponents
Results vs. opponents both players faced · Last 12 months
Katsumi has a higher win rate against shared opponents (100% vs Seo's 0%).
| Opponent | Seo | Katsumi |
|---|---|---|
| Jeong In Choi | L 75 46 710 | W 64 63 |
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
Wozuko Mdlulwa
W15 Monastir · 1st Round
Sep 22
Yekaterina Dmitrichenko
W15 Monastir · Quarterfinals
Sep 18
Julie Myatovic
W15 Monastir · 2nd Round
Sep 17
Mandegar Farzami
W15 Monastir · 1st Round
Sep 16
Andre Lukosiute
W15 Monastir · 2nd Round
Sep 10
Anjali Rathi
W15 Monastir · 1st Round
Sep 9
Savannah Dada Mascoll
W15 Monastir · 1st Round
Sep 2
Sarah Mildren
W15 Brisbane · 2nd Round
Jul 23
Rivalry momentum
Cumulative head-to-head lead over time
Win rate
Matches, sets and games won · Last 12 months · 6–50 matches
| Metric | Seo | Katsumi |
|---|---|---|
| Matches won | 17% | 46% |
| Sets won | 23% | 45% |
| Games won | 40% | 49% |
Record by tier
Head-to-head record by tournament tier
| Stage | Seo | Katsumi |
|---|---|---|
| ITF W35 | 0 | 2 |
By surface
Head-to-head record per surface
| Surface | Seo | Katsumi |
|---|---|---|
| Hard | 0 | 2 |
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