Erika Sema vs Giselle Isabella GuillenPrediction, Head-to-Head Results, and Stats
🇯🇵Erika Sema
#504 · 37 yrs · Right-Handed
4w1 meeting · sets 2–0
🇦🇺Giselle Isabella Guillen
Unranked · 18 yrs · Right-Handed
14wErika Sema and Giselle Isabella Guillen have met 1 time since 2025; Erika Sema leads 1–0. Across all meetings Sema has taken 2 sets to Guillen's 0. Their most recent meeting: Erika Sema won at W35 Wagga Wagga 2 (2025).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Sema | Isabella Guillen | ||
|---|---|---|---|---|
| Indicator | Erika Sema | Giselle Isabella Guillen | ||
| Wins in straight sets | 92% | 23/25 | 100% | 1/1 |
| Wins a set when losing | 35% | 8/23 | 40% | 2/5 |
| Goes to a deciding set | 21% | 10/48 | 33% | 2/6 |
| Covers −1.5 sets as favorite | 70% | 14/20 | — | |
| Covers +1.5 sets as underdog | 55% | 12/22 | 50% | 1/2 |
| Tiebreak sets won | 67% | 4/6 | — | |
| Wins after taking set 1 | 86% | 24/28 | 100% | 1/1 |
| Wins 2-0 after taking set 1 | 82% | 23/28 | 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 (Sema 1, Isabella Guillen 0).
Previous meetings
1 career meeting, newest first
Sep 16, 2025
W35 Wagga Wagga 2
H Hard · 1st Round
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Sema | Guillen |
|---|---|---|
| W-L | 4–8 | - |
| Avg odds | 2.88 | - |
| ROI % | -31.2% | - |
| Units P/L | -3.74u | - |
Travel
Last 30 days
| Metric | Sema | Guillen |
|---|---|---|
| Countries | 1 | — |
| Events | 1 | — |
| Matches | 2 | — |
| Distance | — | — |
| Route | USA | — |
Host country from the tournament each match was played in, over the last 30 days. 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
Across 1 shared opponent, both Sema and Guillen posted a 0% win rate.
| Opponent | Sema | Guillen |
|---|---|---|
| Katie Swan | L 36 16 | L 36 06 |
Recent Form
Last five matches per player
Eunhye Lee
W35 Southaven · 2nd Round
Aug 6
Maria Fernanda Navarro Oliva
W35 Southaven · 1st Round
Aug 4
Sara Saito
W75 Lexington · 2nd Round
Jul 30
Mckenna Schaefbauer
W75 Lexington · 1st Round
Jul 29
Teah Chavez
W35 Saskatoon · 2nd Round
Jul 23
Kelly Keller
W35 Saskatoon · 1st Round
Jul 23
Cadence Brace
W75 Granby · 2nd Round
Jul 17
Avery Alexander
W75 Granby · 1st Round
Jul 15
Kurea Hayasaka
W15 Fukui · 1st Round
May 27
Sara Yoshida
W15 Toyama · 2nd Round
May 22
Sara Yoshida
W15 Toyama · Round of 16
May 21
Shiho Tsujioka
W15 Toyama · 1st Round
May 20
Erika Sema
W35 Wagga Wagga 2 · 1st Round
Sep 16
Katie Swan
W35 Wagga Wagga 1 · 1st Round
Sep 11
Catherine Aulia
W15 Tweed Heads 1 · Final
Aug 10
Yuno Kitahara
W15 Tweed Heads 1 · Semifinals
Aug 9
Win rate
Matches, sets and games won · Last 12 months · 6–49 matches
| Metric | Sema | Guillen |
|---|---|---|
| Matches won | 53% | 17% |
| Sets won | 55% | 29% |
| Games won | 52% | 34% |
Record by tier
Head-to-head record by tournament tier
| Stage | Sema | Guillen |
|---|---|---|
| ITF W35 | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Sema | Guillen |
|---|---|---|
| Hard | 1 | 0 |
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