Keisuke Saitoh vs Tai Leonard SachPrediction, Head-to-Head Results, and Stats
Keisuke Saitoh and Tai Leonard Sach have met 2 times since 2026; Keisuke Saitoh leads 2–0. Their first meeting came at M25 Burnie in 2026 on hard. On hard courts Saitoh leads 2–0. Saitoh has won the last 2 meetings. Across all meetings Saitoh has taken 4 sets to Sach's 0. Their most recent meeting: Keisuke Saitoh won at M15 Gimcheon (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Saitoh | Leonard Sach | ||
|---|---|---|---|---|
| Indicator | Keisuke Saitoh | Tai Leonard Sach | ||
| Wins in straight sets | 68% | 27/40 | 77% | 20/26 |
| Wins a set when losing | 13% | 3/24 | 40% | 6/15 |
| Goes to a deciding set | 25% | 16/64 | 29% | 12/41 |
| Covers −1.5 sets as favorite | 54% | 15/28 | 25% | 1/4 |
| Covers +1.5 sets as underdog | 59% | 16/27 | 100% | 3/3 |
| Tiebreak sets won | 53% | 8/15 | 67% | 8/12 |
| Wins after taking set 1 | 97% | 34/35 | 89% | 24/27 |
| Wins 2-0 after taking set 1 | 77% | 27/35 | 74% | 20/27 |
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. Head-to-head: 2 of 2 completed meetings ended in straight sets (Saitoh 2, Leonard Sach 0).
Style Matchup
Playing styles and historical archetype record
Saitoh
🪃 Counterpuncher
Sach
⚔️ The Gladiator
Matchup analysis
🪃 Counterpuncher vs ⚔️ The Gladiator is historically tight (49% vs 51%, 1,935 matches). Neither style has a clear edge, so form, surface, and the head-to-head matter most.
Previous meetings
2 career meetings, newest first
May 28, 2026
M15 Gimcheon
H Hard · Round of 16
Feb 26, 2026
M25 Burnie
H Hard · Round of 16
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Saitoh | Sach |
|---|---|---|
| W-L | 4–4 | 1–1 |
| Avg odds | 1.68 | 1.89 |
| ROI % | -24.9% | -28.0% |
| Units P/L | -1.99u | -0.56u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Saitoh | Sach |
|---|---|---|
| Countries | 2 | — |
| Events | 3 | — |
| Matches | 3 | — |
| Distance | — | — |
| Route | INA → TPE | — |
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
Saitoh has a higher win rate against shared opponents (57% vs Sach's 43%).
| Opponent | Saitoh | Sach |
|---|---|---|
| Matthew Dellavedova | L 16 26 | W 62 16 62 |
| Geun Jun Kim | L 46 26 | W 63 76 |
| San Hui Sin | W 63 26 64 | L 63 57 36 |
| Hoyoung Roh | W 64 61 | L 36 46 |
| Yunseok Jang | W 61 62 | W 63 63 |
| Enzo Aguiard | L 36 16 | L 36 76 06 |
| Joshua Charlton | W 63 75 | L 57 26 |
Recent Form
Last five matches per player
Matthew Dellavedova
M25 Taipei · 1st Round
Aug 26
Tsung-Hao Huang
M25 Taipei · 1st Round
Aug 18
Sam Ryan Ziegann
M15 Bali · Semifinals
Aug 1
Sanhui Shin
M15 Bali · Quarterfinals
Jul 31
Rafalentino Ali Da Costa
M15 Bali · 2nd Round
Jul 30
Rafalentino Ali Da Costa
M15 Bali · 2nd Round
Jul 30
Daniel Bagnolini
M15 Bali · 1st Round
Jul 28
Alexander Chang
M15 Bali · 2nd Round
Jul 23
Jake Delaney
M15 Harmon · Semifinals
Jun 6
Geun Jun Kim
M15 Harmon · Quarterfinals
Jun 5
Yuya Hirose
M15 Harmon · Round of 16
Jun 4
Seiya Nakanishi
M15 Harmon · Round of 32
Jun 3
Keisuke Saitoh
M15 Gimcheon · Round of 16
May 28
Sungbeen Sim
M15 Gimcheon · Round of 32
May 27
San Hui Sin
M15 Gimcheon · Semifinals
May 23
Sora Fukuda
M15 Gimcheon · Quarterfinals
May 22
Rivalry momentum
Cumulative head-to-head lead over time
Win rate
Matches, sets and games won · Last 12 months · 42–64 matches
| Metric | Saitoh | Sach |
|---|---|---|
| Matches won | 63% | 64% |
| Sets won | 58% | 62% |
| Games won | 53% | 54% |
Record by tier
Head-to-head record by tournament tier
| Stage | Saitoh | Sach |
|---|---|---|
| ITF M15 | 1 | 0 |
| ITF M25 | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Saitoh | Sach |
|---|---|---|
| Hard | 2 | 0 |
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