Chun-Hsin Tseng vs Vitaliy SachkoPrediction, Head-to-Head Results, and Stats
Chun-Hsin Tseng and Vitaliy Sachko have met 1 time since 2026; Vitaliy Sachko leads 1–0. Across all meetings Tseng has taken 1 sets to Sachko's 2. Their most recent meeting: Vitaliy Sachko won at Hamburg Challenger (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Tseng | Sachko | ||
|---|---|---|---|---|
| Indicator | Chun-Hsin Tseng | Vitaliy Sachko | ||
| Wins in straight sets | 75% | 21/28 | 40% | 10/25 |
| Wins a set when losing | 34% | 10/29 | 29% | 8/28 |
| Goes to a deciding set | 30% | 17/57 | 43% | 23/53 |
| Covers −1.5 sets as favorite | 48% | 14/29 | 37% | 7/19 |
| Covers +1.5 sets as underdog | 59% | 13/22 | 50% | 15/30 |
| Tiebreak sets won | 58% | 11/19 | 50% | 9/18 |
| Wins after taking set 1 | 77% | 23/30 | 72% | 18/25 |
| Wins 2-0 after taking set 1 | 70% | 21/30 | 40% | 10/25 |
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: 0 of 1 completed meetings ended in straight sets (Tseng 0, Sachko 0).
Style Matchup
Playing styles and historical archetype record
Tseng
⚔️ The Gladiator
Sachko
🪃 Counterpuncher
Matchup analysis
⚔️ The Gladiator vs 🪃 Counterpuncher is historically tight (51% vs 49%, 1,935 matches). Neither style has a clear edge, so form, surface, and the head-to-head matter most.
Previous meetings
1 career meeting, newest first
Aug 10, 2026
Hamburg Challenger
C Clay · 1st Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Tseng | Sachko | ||
|---|---|---|---|---|
| Outcome | Chun-Hsin Tseng | Vitaliy Sachko | ||
| 1 or more | 71% | 10/14 | 100% | 9/9 |
| 3 or more | 29% | 4/14 | 67% | 6/9 |
| 5 or more | 21% | 3/14 | 33% | 3/9 |
| 10 or more | 0% | 0/14 | 11% | 1/9 |
| 15 or more | 0% | 0/14 | 0% | 0/9 |
| 20 or more | 0% | 0/14 | 0% | 0/9 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Tseng | Sachko |
|---|---|---|
| W-L | 7–7 | 6–6 |
| Avg odds | 1.85 | 2.19 |
| ROI % | -21.0% | -2.7% |
| Units P/L | -2.94u | -0.32u |
Travel
Last 30 days
| Metric | Tseng | Sachko |
|---|---|---|
| Countries | 2 | 1 |
| Events | 3 | 2 |
| Matches | 7 | 3 |
| Distance | 490 mi · 788 km | 185 mi · 297 km |
| Route | GER → CZE | GER |
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
Sachko has a higher win rate against shared opponents (57% vs Tseng's 14%).
| Opponent | Tseng | Sachko |
|---|---|---|
| Jan Kumstat | L 75 36 06 | W 57 60 63 |
| Timofey Skatov | L 76 67 67 | L 26 46 |
| Maxim Mrva | L 36 46 | W 62 76 |
| Yosuke Watanuki | L 62 26 16 | W 62 76 |
| Nerman Fatic | L 36 46 | W 63 76 |
| Mackenzie McDonald | W 61 76 | L 26 16 |
| Nicolai Budkov Kjaer | L 67 46 | L 76 26 46 |
Recent Form
Last five matches per player
Jan Kumstat
Prague Challenger · Final
Aug 22
Norbert Gombos
Prague Challenger · Semifinals
Aug 21
Oleksii Krutykh
Prague Challenger · Quarterfinals
Aug 20
Juan Bautista Torres
Prague Challenger · 2nd Round
Aug 19
Hynek Barton
Prague Challenger · 1st Round
Aug 18
Vitaliy Sachko
Hamburg Challenger · 1st Round
Aug 10
Tom Gentzsch
Hagen Challenger · 2nd Round
Aug 5
Gustavo Heide
Wimbledon · 1st Round Qualifying
Jun 29
Dylan Dietrich
Hamburg Challenger · 2nd Round
Aug 12
Chun-Hsin Tseng
Hamburg Challenger · 1st Round
Aug 10
Lorenzo Giustino
Hagen Challenger · 1st Round
Aug 4
Timofey Skatov
Gstaad
Jul 12
Manas Dhamne
Gstaad
Jul 11
Stefano Napolitano
Bundesliga - men
Jul 10
Pedro Martinez
Bundesliga - men
Jul 5
Shintaro Mochizuki
Wimbledon · 1st Round Qualifying
Jun 29
Win rate
Matches, sets and games won · Last 12 months · 53–57 matches
| Metric | Tseng | Sachko |
|---|---|---|
| Matches won | 49% | 47% |
| Sets won | 50% | 45% |
| Games won | 50% | 49% |
Record by tier
Head-to-head record by tournament tier
| Stage | Tseng | Sachko |
|---|---|---|
| ATP Challenger Tour | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Tseng | Sachko |
|---|---|---|
| Clay | 0 | 1 |
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