Erika Sema vs Giselle Isabella GuillenPrediction, Head-to-Head Results, and Stats
🇯🇵Erika Sema
#553 · 37 yrs · Right-Handed
6w1 meeting · sets 2–0
🇦🇺Giselle Isabella Guillen
Unranked · 18 yrs · Right-Handed
20wErika 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 | 91% | 21/23 | 100% | 1/1 |
| Wins a set when losing | 38% | 10/26 | 50% | 2/4 |
| Goes to a deciding set | 24% | 12/49 | 40% | 2/5 |
| Covers −1.5 sets as favorite | 65% | 13/20 | — | |
| Covers +1.5 sets as underdog | 57% | 13/23 | 100% | 1/1 |
| Tiebreak sets won | 50% | 4/8 | — | |
| Wins after taking set 1 | 81% | 22/27 | 100% | 1/1 |
| Wins 2-0 after taking set 1 | 78% | 21/27 | 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 | 2–5 | - |
| Avg odds | 2.51 | - |
| ROI % | -61.3% | - |
| Units P/L | -4.29u | - |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Recent Form
Last five matches per player
Vaishnavi Adkar
W50 Guiyang · 1st Round Qualifying
Sep 6
Jia Jing Lu
W75 Tianjin · 1st Round Qualifying
Aug 30
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
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
Elena Pridankina
Workday Canberra International - Canberra · 1st Round Qualifying
Jan 4
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
Win rate
Matches, sets and games won · Last 12 months · 5–50 matches
| Metric | Sema | Guillen |
|---|---|---|
| Matches won | 48% | 20% |
| Sets won | 51% | 33% |
| Games won | 51% | 36% |
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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