Kokoro Isomura vs Colin Sinclair Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
Published on 10 Jul at 03:57 PM UTC
HEAD TO HEAD
K. Isomura vs C. Sinclair

JPN
2
Win
Played
1
Win

AUS
2
Win
Played
1
Win
Head-to-head: Isomura 2 - 1 Sinclair
They have played 8 sets in total, with Kokoro Isomura winning 5 and Colin Sinclair winning 3. The last match between Kokoro Isomura and Colin Sinclair was at the M15 Tokyo, 11-07-2025, Round: QF, Surface: Hard, with Kokoro Isomura getting the victory 6-3 4-6 6-4.
| Players | Head To Head Match Wins |
|---|---|
| Isomura | 2 |
| Sinclair | 1 |
Last 3 H2H Matches:
(QF) M15 Tokyo(07-11-25)
(QF) M15 Maanshan(06-27-25)
(Q3) Brisbane 1 Challenger(01-27-25)
K. Isomura vs C. Sinclair H2H Profile
| Stats | ||
|---|---|---|
| $0 | Career Prize Money | $0 |
| 54.01% (128-109) | Career Total W/L | 58.24% (265-190) |
| 2 | Hard | 0 |
| 0 | Indoor | 1 |
| 1 | Titles | 3 |
| 2 | Total H2H Matches | 1 |
| 0% (0-0) | YTD Win/Loss | 0% (0-0) |
K. Isomura vs C. Sinclair Match Preview:
- In recent months, Sinclair has a slight edge in second serve performance, winning 46.5% of points compared to Isomura's 45.46%.
- Isomura excels in return games, capturing 49.4% of opponents' second serve points, while Sinclair wins 45.87% in the same category. Could this strength impact the upcoming match?
- When dealing with first serve returns, Isomura secures 27.73% of points, surpassing Sinclair's 24.19% rate.
- Under pressure, Sinclair has saved 57.87% of breakpoints, outperforming Isomura, who has saved 47.1%. How crucial could this skill be in determining the match outcome?
- In the past year, Isomura has a slightly better win record, winning 58.46% of matches compared to Sinclair's 56.45%.
- Court surface plays a significant role: Sinclair thrives on clay (63% win rate), whereas Isomura excels on indoor hard courts (67% win rate).
- Both players mainly compete in Futures/Satellites/ITF $10K events, with Sinclair having a 60% win rate, marginally above Isomura's 59.09%.
- Their head-to-head record shows one victory each, but Sinclair won their most recent encounter at M 15 Maanshan.
- Matches between Sinclair and Isomura average a lengthy 2 hours and 18 minutes, indicating closely fought encounters.
- In deciding set scenarios, Sinclair has a stronger win rate of 60% over the last year, compared to Isomura's 56%.
- Sinclair excels in converting breakpoints with a 33.65% success rate, slightly lower than Isomura's 35.9%.
- Sinclair and Isomura's competition levels are quite similar, with both facing opponents of nearly identical average rankings in the past year.
Editorial Prediction (July 10, 2025, UTC):
Evaluating their recent performances, both players present a strong case, each possessing distinct advantages. Sinclair's proficiency in under-pressure situations, demonstrated by a higher breakpoint save percentage, could prove pivotal during tightly contested moments.
Conversely, Isomura's ability to generate opportunities through substantial return game stats indicates a compelling edge, notably winning a higher percentage of first and second serve return points.
Their head-to-head history remains balanced, yet Sinclair's recent triumph offers insight into potential psychological advantages influencing play.
Ultimately, considering Sinclair's adaptability in deciding sets and superior breakpoint defense, he seems slightly more favored to secure the win in their forthcoming clash.
Kokoro Isomura vs Colin Sinclair Editorial Preview By TennisTipster88.
K. Isomura vs C. Sinclair H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 2 | H2H Matches Won | 1 |
| 5 | Sets Won | 3 |
| 41 | Games Won | 39 |
| 8 | Aces (Total) | 45 |
| 8 | Total Double Faults | 5 |
| 2:20:40 | Average Match Time | 2:20:40 |
| 64% (152/236) | 1st Serve % | 72% (185/258) |
| 76% (115/152) | 1st Serve Win % | 74% (136/185) |
| 54% (45/84) | 2nd Serve Win % | 48% (35/73) |
| 27% (6/22) | Break Pts Won % | 22% (4/18) |
| 34% (87/258) | Return Points Win % | 32% (76/236) |
| 67% (2/3) | Best‑of‑3 Win % | 33% (1/3) |
| 50% (1/2) | Deciding Set Win % | 50% (1/2) |
| 100% (2/2) | 1st Set Won, Won Match | 100% (1/1) |
| 0% (0/2) | 1st Set Won, Lost Match | 0% (0/1) |
| 0% (0/1) | 1st Set Lost, Won Match | 0% (0/2) |
Recent Performance Stats
K. Isomura Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
R1 | L | 7-5 6-3 | ||
R1 | L | 7-6(1) 6-4 | ||
R1 | L | 5-7 6-4 6-1 | ||
R2 | L | 6-2 6-3 | ||
R1 | W | 5-2 ret. | ||
C. Sinclair Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
Q1 | L | 7-6(5) 7-6(5) | ||
R1 | L | 4-6 7-6(5) 6-4 | ||
R1 | L | 6-4 6-4 | ||
QF | L | 7-6(4) 7-6(3) | ||
R2 | W | 2-6 7-6(5) 6-4 | ||

K. Isomura vs C. Sinclair Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 54.01% (128/109) | YTD Win/Loss | 58.24% (265/190) |
| 52.16% (278/255) | Sets Win/Loss | 56.63% (594/455) |
| 51.00% (2498/2400) | Games Win/Loss | 52.79% (5412/4840) |
| 52.49% (95/86) | Hard Win/Loss | 56.69% (161/123) |
| 58.14% (25/18) | Clay Win/Loss | 63.45% (92/53) |
| 61.54% (8/5) | Indoor Hard W/L | 47.83% (11/12) |
| 0% (0/0) | Grass Win/Loss | 33.33% (1/2) |
| 0.14 | Aces Per Game | 0.41 |
| 333 | Aces Total | 2048 |
| 0.25 | Double Faults Per Game | 0.13 |
| 598 | Total Double Faults | 646 |
| 1:43:11 | Average Match Time | 1:24:50 |
| 474.5 | Average Opponent Rank | 452.56 |
| 68% (10102/14876) | 1st Serve % | 66% (17138/26076) |
| 63% (6396/10102) | 1st Serve Win % | 70% (12035/17138) |
| 47% (2256/4773) | 2nd Serve Win % | 50% (4512/8938) |
| 46% (740/1594) | Break Points Won % (Total) | 42% (934/2243) |
| 42% (6344/15118) | Return Points Win % | 38% (9700/25772) |
| 0% (0/0) | Masters W/L | 0.00% (0/1) |
| 0% (0/0) | Cups W/L | 0.00% (0/1) |
| 0% (0/0) | Main Tour W/L | 0.00% (0/1) |
| 53.66% (22/19) | Challenger W/L | 46.30% (50/58) |
| 54.08% (106/90) | Futures W/L | 62.50% (215/129) |
| 53% (124/232) | Best of 3 Sets Win % | 58% (257/445) |
| 100% (1/1) | Best of 5 Sets Win % | 67% (2/3) |
| 59% (38/64) | Tiebreaks Win % (Total) | 46% (80/173) |
| 60% (37/62) | Deciding Set Win % | 52% (75/144) |
| 91% (117/107) | 1st Set Won, Won Match | 85% (266/226) |
| 9% (117/10) | 1st Set Won, Lost Match | 15% (266/40) |
| 18% (120/21) | 1st Set Lost, Won Match | 21% (188/39) |
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