Keisuke Saitoh vs Seongchan HongPrediction, Head-to-Head Results, and Stats
Keisuke Saitoh and Seongchan Hong have met 2 times since 2022; they are level 1–1. Their first meeting came at Yokohama in 2022 on hard. On hard courts they are level 1–1. Across all meetings Saitoh has taken 2 sets to Hong's 3. Their most recent meeting: Keisuke Saitoh won at M25 Sapporo (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Saitoh | Hong | ||
|---|---|---|---|---|
| Indicator | Keisuke Saitoh | Seongchan Hong | ||
| Wins in straight sets | 69% | 36/52 | 100% | 4/4 |
| Wins a set when losing | 13% | 3/24 | 20% | 1/5 |
| Goes to a deciding set | 25% | 19/76 | 11% | 1/9 |
| Covers −1.5 sets as favorite | 59% | 22/37 | 67% | 2/3 |
| Covers +1.5 sets as underdog | 62% | 18/29 | 25% | 1/4 |
| Tiebreak sets won | 58% | 11/19 | 75% | 3/4 |
| Wins after taking set 1 | 98% | 42/43 | 80% | 4/5 |
| Wins 2-0 after taking set 1 | 84% | 36/43 | 80% | 4/5 |
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 2 completed meetings ended in straight sets (Saitoh 0, Hong 1).
Style Matchup
Playing styles and historical archetype record
Saitoh
⚔️ The Gladiator
Hong
🎾 All-Court
Matchup analysis
⚔️ The Gladiator vs 🎾 All-Court is historically tight (49% vs 51%, 322 matches). Neither style has a clear edge, so form, surface, and the head-to-head matter most.
Previous meetings
2 career meetings, newest first
Sep 12, 2026
M25 Sapporo
H Hard · Semifinals
Oct 31, 2022
Yokohama
H Hard · 2nd Round Qualifying
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Saitoh | Hong | ||
|---|---|---|---|---|
| Outcome | Keisuke Saitoh | Seongchan Hong | ||
| 1 or more | 75% | 18/24 | 100% | 8/8 |
| 3 or more | 33% | 8/24 | 75% | 6/8 |
| 5 or more | 0% | 0/24 | 50% | 4/8 |
| 10 or more | 0% | 0/24 | 13% | 1/8 |
| 15 or more | 0% | 0/24 | 0% | 0/8 |
| 20 or more | 0% | 0/24 | 0% | 0/8 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Saitoh | Hong |
|---|---|---|
| W-L | 16–7 | 4–4 |
| Avg odds | 2.29 | 2.22 |
| ROI % | +18.2% | -19.4% |
| Units P/L | +4.18u | -1.55u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Saitoh | Hong |
|---|---|---|
| Countries | 1 | 1 |
| Events | 1 | 1 |
| Matches | 2 | 1 |
| Distance | 0 mi · 0 km | 0 mi · 0 km |
| Route | CHN | CHN |
Host country from each tournament in the last 30 days, including the current event even when a player arrived on a bye. 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
Across 1 shared opponent, both Saitoh and Hong posted a 100% win rate.
| Opponent | Saitoh | Hong |
|---|---|---|
| Kosuke Ogura | W 76 46 75 | W 76 63 |
Recent Form
Last five matches per player
Jay Dylan Hara Friend
Wuning 3 Challenger · Semifinals
Oct 10
Akira Santillan
Wuning 3 Challenger · Quarterfinals
Oct 9
Hiroki Moriya
Wuning 3 Challenger · 2nd Round
Oct 7
Dominik Palan
Wuning 3 Challenger · 1st Round
Oct 6
Yusuke Takahashi
Wuning 3 Challenger · 3rd Round Qualifying
Oct 5
Zhicheng Wang
Wuning 3 Challenger · 1st Round Qualifying
Oct 4
Mattia Bellucci
Jingshan Challenger · 3rd Round Qualifying
Sep 29
Koki Matsuda
Jingshan Challenger · 1st Round Qualifying
Sep 28
Rei Sakamoto
Shanghai Rolex Masters - Shanghai · 1st Round Qualifying
Oct 5
Keisuke Saitoh
M25 Sapporo · Semifinals
Sep 12
Hikaru Shiraishi
M25 Sapporo · Quarterfinals
Sep 11
Kosuke Ogura
M25 Sapporo · 2nd Round
Sep 10
Yuichiro Inui
M25 Sapporo · 1st Round
Sep 9
Tristan Schoolkate
U.S. Open - New York · 2nd Round Qualifying
Aug 27
Nikoloz Basilashvili
U.S. Open - New York · 1st Round Qualifying
Aug 26
Henrique Rocha
Cancun Challenger · 1st Round
Aug 19
Rivalry momentum
Cumulative head-to-head lead over time
Win rate
Matches, sets and games won · Last 12 months · 9–76 matches
| Metric | Saitoh | Hong |
|---|---|---|
| Matches won | 68% | 44% |
| Sets won | 63% | 47% |
| Games won | 54% | 48% |
Record by tier
Head-to-head record by tournament tier
| Stage | Saitoh | Hong |
|---|---|---|
| ITF M25 | 1 | 0 |
| ATP Challenger Tour | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Saitoh | Hong |
|---|---|---|
| Hard | 1 | 1 |
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