Tai Sach vs Hiromasa Koyama Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
Published on 02 Jul at 02:24 AM UTC
HEAD TO HEAD
T. Sach vs H. Koyama

AUS
1
Win
Played
1
Win

JPN
1
Win
Played
1
Win
Head-to-head: Sach 1 - 1 Koyama
They have played 5 sets in total, with Tai Sach winning 3 and Hiromasa Koyama winning 2. The last match between Hiromasa Koyama and Tai Sach was at the M15 Tokyo, 02-07-2025, Round: R1, Surface: Hard, with Hiromasa Koyama getting the victory 6-7(2) 7-6(7) 6-1.
| Players | Head To Head Match Wins |
|---|---|
| Sach | 1 |
| Koyama | 1 |
Last 2 H2H Matches:
(R1) M15 Tokyo(07-02-25)
(R1) M15 Nishi-Tokyo(03-18-25)
T. Sach vs H. Koyama H2H Profile
T. Sach vs H. Koyama Match Preview:
- Second Serve Strength: Over the past six months, Sach has performed better with a second serve point win rate of 41.46%, compared to Koyama's 35.04%. Is this a critical component to predict match outcomes? Yes, it is highly correlated with winning predictions.
- Return Game Effectiveness: Koyama has demonstrated superior returns, winning 55.1% of opponents' second serves versus Sach's 50.12%. However, on first serve returns, Sach edges out with 29.22% compared to Koyama's 27.01%.
- Clutch Play Under Pressure: Koyama shows stronger breakpoint defense, saving 57.45% compared to Sach's 47.8%. Could this be key during tense match moments? Certainly.
- Overall Performance: Sach boasts a higher win rate over the past year at 60.32% compared to Koyama's 11.11%, indicating a significant experience and success difference.
- Surface Preferences: Koyama is best on Hard courts but only wins 22%, while Sach excels on Clay with a 67% win rate. Can the surface impact the outcome? Yes, particularly revealing during this upcoming Hard court match.
- Event Performance and Quality of Competition: Sach not only faces stronger opponents but also maintains a 61.29% win rate in similar level events, compared to Koyama’s 11.11%, which might indicate better competitive resilience.
- Head-to-Head Record: The two have met once before, with Sach winning decisively in straight sets, suggesting a psychological and tactical advantage.
- Performance in Pressure Situations: While neither player has played a tiebreak against each other, overall, Sach’s better deciding set performance suggests greater composure in tight matches.
- Opponent Quality: Sach regularly faces higher-ranked opponents averaging a rank of 306.38 compared to Koyama’s 491.67, suggesting better adaptability against tough competitors.
- Breakpoint Conversion: Koyama has a slightly superior breakpoint conversion rate at 46.15%, compared to Sach's 37%, showing an edge in capitalizing on opponent's serve frailties.
Editorial Prediction (July 2, 2025, UTC):
The upcoming match between Koyama and Sach showcases two players with differing strengths and recent performances. While Koyama excels in return games and breakpoint opportunities, Sach exhibits a stronger second serve and a higher win rate over the last twelve months.
Sach's record of success in head-to-head and overall match performance, particularly against tougher competition and under pressure, suggests they possess a significant psychological and strategic upper hand.
Given these factors, Sach is the likely winner for this match, primarily due to their superior performance metrics and past head-to-head dominance over Koyama.
Tai Sach vs Hiromasa Koyama Editorial Preview By TennisTipster88.
T. Sach vs H. Koyama H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 1 | H2H Matches Won | 1 |
| 3 | Sets Won | 2 |
| 26 | Games Won | 24 |
| 2 | Aces (Total) | 4 |
| 5 | Total Double Faults | 4 |
| 2:34:56 | Average Match Time | 2:34:56 |
| 56% (87/154) | 1st Serve % | 56% (116/206) |
| 62% (54/87) | 1st Serve Win % | 56% (65/116) |
| 43% (29/67) | 2nd Serve Win % | 46% (41/90) |
| 44% (11/25) | Break Pts Won % | 64% (9/14) |
| 49% (100/206) | Return Points Win % | 46% (71/154) |
| 50% (1/2) | Best‑of‑3 Win % | 50% (1/2) |
| 0% (0/1) | Deciding Set Win % | 100% (1/1) |
| 50% (1/2) | 1st Set Won, Won Match | 0% (0/0) |
| 50% (1/2) | 1st Set Won, Lost Match | 0% (0/0) |
| 0% (0/0) | 1st Set Lost, Won Match | 50% (1/2) |
Recent Performance Stats
T. Sach Recent Matches Played
H. Koyama Recent Matches Played

T. Sach vs H. Koyama Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 56.90% (132/100) | YTD Win/Loss | 32.00% (8/17) |
| 56.87% (302/229) | Sets Win/Loss | 39.66% (23/35) |
| 53.11% (2766/2442) | Games Win/Loss | 46.86% (246/279) |
| 57.47% (127/94) | Hard Win/Loss | 35.00% (7/13) |
| 66.67% (4/2) | Clay Win/Loss | 0% (0/0) |
| 0% (0/0) | Indoor Hard W/L | 20.00% (1/4) |
| 20.00% (1/4) | Grass Win/Loss | 0% (0/0) |
| 0.17 | Aces Per Game | 0.1 |
| 438 | Aces Total | 25 |
| 0.14 | Double Faults Per Game | 0.17 |
| 355 | Total Double Faults | 42 |
| 1:6:55 | Average Match Time | 1:27:32 |
| 267.63 | Average Opponent Rank | 385.2 |
| 61% (5862/9621) | 1st Serve % | 60% (808/1352) |
| 68% (3981/5862) | 1st Serve Win % | 60% (485/808) |
| 49% (1838/3759) | 2nd Serve Win % | 44% (241/544) |
| 42% (403/961) | Break Points Won % (Total) | 47% (53/113) |
| 40% (3996/9949) | Return Points Win % | 39% (467/1197) |
| 50.00% (1/1) | Challenger W/L | 0% (0/0) |
| 56.96% (131/99) | Futures W/L | 32.00% (8/17) |
| 57% (131/231) | Best of 3 Sets Win % | 32% (8/25) |
| 58% (33/57) | Tiebreaks Win % (Total) | 50% (2/4) |
| 42% (29/69) | Deciding Set Win % | 13% (1/8) |
| 85% (139/118) | 1st Set Won, Won Match | 58% (12/7) |
| 15% (139/21) | 1st Set Won, Lost Match | 42% (12/5) |
| 14% (92/13) | 1st Set Lost, Won Match | 8% (13/1) |