Mary Stoiana vs Ena Koike Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
Published on 06 Jun at 06:38 PM UTC
HEAD TO HEAD
M. Stoiana vs E. Koike

USA
1
Win
Played
0
Win

JPN
1
Win
Played
0
Win
Head-to-head: Stoiana 1 - 0 Koike
They have played 2 sets in total, with Mary Stoiana winning 2 and Ena Koike winning 0. The last match between Mary Stoiana and Ena Koike was at the W75 Sumter, 06-06-2025, Round: QF, Surface: Hard, with Mary Stoiana getting the victory 6-1 7-6(6).
| Players | Head To Head Match Wins |
|---|---|
| Stoiana | 1 |
| Koike | 0 |
Last 1 H2H Matches:
(QF) W75 Sumter(06-06-25)
M. Stoiana vs E. Koike H2H Profile
| Stats | ||
|---|---|---|
| $52,000 | Career Prize Money | $0 |
| 65.09% (69-37) | Career Total W/L | 54.84% (68-56) |
| 1 | Hard | 0 |
| 3 | Titles | 0 |
| 1 | Total H2H Matches | 0 |
| 0% (0-0) | YTD Win/Loss | 0% (0-0) |
M. Stoiana vs E. Koike Match Preview:
- How does second serve performance differ between the players? Stoiana wins 34.98% of points on second serve, while Koike has a slight edge at 37.13%.
- What about their return capabilities? Stoiana wins on their opponents' second serve 49.81% of the time compared to Koike's 48.87%. However, Stoiana also excels in first serve returns, winning 39.4% versus Koike's 31.43%.
- Under pressure, Stoiana saves 47.62% of breakpoints, marginally better than Koike's 46%.
- Performance-wise, Stoiana boasts a higher match win rate of 68.42% in the past year, unlike Koike's 50%.
- Which surfaces suit them best? Both players shine on indoor hard courts, with Stoiana winning 80% of matches and Koike 67%. Stoiana struggles on clay with a 33% win rate, whereas Koike holds a steadier 50%.
- The level of play shows Stoiana winning 69.44% of ITF/Challengers matches over $10K, higher than Koike's 55%.
- Assessing the quality of opponents faced, Stoiana's average opponent rank is 374.16, compared to Koike's 385.5.
- If the match extends to a deciding set, Stoiana performs strongly, winning 63% of such sets, while Koike has a lower rate at 41%.
- In recent form, Stoiana's breakpoint conversion rate is 40.96%, slightly better than Koike's 39.33%.
Editorial Prediction (June 6, 2025, UTC):
As we look ahead to the upcoming match, Stoiana enters with a statistical advantage in multiple key areas. Their ability to return serves effectively, especially the first serve, could play a crucial role in dictating the match's pace. The superior breakpoint conversion rate and clutch performance in deciding sets further bolster Stoiana's position.
Koike, while competent, appears overshadowed in recent form, especially on their less favorable court conditions and creative under pressure. Stoiana’s impressive win rate over the past year and consistency against higher-ranked opponents give them the upper hand.
Based on the detailed statistical comparison, Stoiana is the probable favorite to secure a victory in this matchup.
Mary Stoiana vs Ena Koike Editorial Preview By TennisTipster88.
M. Stoiana vs E. Koike H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 1 | H2H Matches Won | 0 |
| 2 | Sets Won | 0 |
| 13 | Games Won | 7 |
| 1 | Aces (Total) | 1 |
| 2 | Total Double Faults | 1 |
| 1:43:18 | Average Match Time | 1:43:18 |
| 66% (40/61) | 1st Serve % | 60% (43/72) |
| 73% (29/40) | 1st Serve Win % | 58% (25/43) |
| 71% (15/21) | 2nd Serve Win % | 52% (15/29) |
| 50% (4/8) | Break Pts Won % | 20% (1/5) |
| 44% (32/72) | Return Points Win % | 28% (17/61) |
| 100% (1/1) | Best‑of‑3 Win % | 0% (0/1) |
| 100% (1/1) | 1st Set Won, Won Match | 0% (0/0) |
| 0% (0/1) | 1st Set Won, Lost Match | 0% (0/0) |
| 0% (0/0) | 1st Set Lost, Won Match | 0% (0/1) |
Recent Performance Stats
M. Stoiana Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
F | W | 7-6(2) 6-7(6) 6-2 | ||
SF | W | 6-3 6-3 | ||
QF | W | 7-5 6-1 | ||
R2 | W | 6-3 6-3 | ||
R1 | W | 6-0 6-0 | ||
E. Koike Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
R1 | L | 6-1 3-6 6-4 | ||
Q3 | W | 6-0 6-3 | ||
Q1 | W | 6-7(6) 6-2 6-4 | ||
R1 | L | 3-6 6-2 6-4 | ||
R2 | L | 6-4 6-3 | ||

M. Stoiana vs E. Koike Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 65.09% (69/37) | YTD Win/Loss | 54.84% (68/56) |
| 62.86% (154/91) | Sets Win/Loss | 55.40% (159/128) |
| 55.25% (1246/1009) | Games Win/Loss | 53.15% (1392/1227) |
| 65.56% (59/31) | Hard Win/Loss | 54.84% (51/42) |
| 33.33% (2/4) | Clay Win/Loss | 52.00% (13/12) |
| 80.00% (8/2) | Indoor Hard W/L | 66.67% (4/2) |
| 0.1 | Aces Per Game | 0.13 |
| 116 | Aces Total | 168 |
| 0.22 | Double Faults Per Game | 0.33 |
| 241 | Total Double Faults | 427 |
| 1:35:14 | Average Match Time | 1:28:50 |
| 342.29 | Average Opponent Rank | 367.85 |
| 62% (3840/6223) | 1st Serve % | 60% (4260/7087) |
| 61% (2351/3840) | 1st Serve Win % | 63% (2703/4260) |
| 47% (1119/2383) | 2nd Serve Win % | 47% (1316/2827) |
| 50% (430/857) | Break Points Won % (Total) | 46% (366/796) |
| 48% (3063/6342) | Return Points Win % | 44% (3069/6977) |
| 25.00% (1/3) | Slam W/L | 0% (0/0) |
| 0% (0/0) | Masters W/L | 0.00% (0/1) |
| 0% (0/0) | Main Tour W/L | 0.00% (0/4) |
| 66.29% (59/30) | Challenger W/L | 55.79% (53/42) |
| 69.23% (9/4) | Futures W/L | 62.50% (15/9) |
| 66% (68/103) | Best of 3 Sets Win % | 55% (68/123) |
| 100% (1/1) | Best of 5 Sets Win % | 0% (0/0) |
| 57% (13/23) | Tiebreaks Win % (Total) | 59% (17/29) |
| 54% (19/35) | Deciding Set Win % | 43% (17/40) |
| 88% (67/59) | 1st Set Won, Won Match | 88% (65/57) |
| 12% (67/8) | 1st Set Won, Lost Match | 12% (65/8) |
| 26% (38/10) | 1st Set Lost, Won Match | 19% (59/11) |
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