Gauthier Onclin vs Vitaliy SachkoPrediction, Head-to-Head Results, and Stats
Gauthier Onclin and Vitaliy Sachko have met 2 times since 2023; they are level 1–1. Their first meeting came at Ostrava Challenger in 2023 on clay. Across all meetings Onclin has taken 2 sets to Sachko's 3. Their most recent meeting: Vitaliy Sachko won at U.S. Open - New York (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Onclin | Sachko | ||
|---|---|---|---|---|
| Indicator | Gauthier Onclin | Vitaliy Sachko | ||
| Wins in straight sets | 71% | 36/51 | 55% | 17/31 |
| Wins a set when losing | 33% | 9/27 | 34% | 10/29 |
| Goes to a deciding set | 31% | 24/78 | 40% | 24/60 |
| Covers −1.5 sets as favorite | 57% | 31/54 | 52% | 13/25 |
| Covers +1.5 sets as underdog | 48% | 11/23 | 53% | 17/32 |
| Tiebreak sets won | 42% | 10/24 | 50% | 10/20 |
| Wins after taking set 1 | 90% | 44/49 | 78% | 25/32 |
| Wins 2-0 after taking set 1 | 73% | 36/49 | 53% | 17/32 |
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: 1 of 2 completed meetings ended in straight sets (Onclin 0, Sachko 1).
Style Matchup
Playing styles and historical archetype record
Onclin
🪃 Counterpuncher
Sachko
🪃 Counterpuncher
Matchup analysis
Both Gauthier Onclin and Vitaliy Sachko are 🪃 Counterpuncher types. Mirror matchups usually come down to execution, fitness, and surface fit, across 5,190 matches in our dataset the historical split is about even.
Previous meetings
2 career meetings, newest first
Aug 25, 2026
U.S. Open - New York
H Hard · 1st Round Qualifying
Apr 25, 2023
Ostrava Challenger
C Clay · 1st Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Onclin | Sachko | ||
|---|---|---|---|---|
| Outcome | Gauthier Onclin | Vitaliy Sachko | ||
| 1 or more | 77% | 10/13 | 100% | 15/15 |
| 3 or more | 31% | 4/13 | 93% | 14/15 |
| 5 or more | 8% | 1/13 | 53% | 8/15 |
| 10 or more | 0% | 0/13 | 7% | 1/15 |
| 15 or more | 0% | 0/13 | 0% | 0/15 |
| 20 or more | 0% | 0/13 | 0% | 0/15 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Onclin | Sachko |
|---|---|---|
| W-L | 7–8 | 10–7 |
| Avg odds | 1.77 | 1.82 |
| ROI % | -31.1% | -1.6% |
| Units P/L | -4.67u | -0.27u |
Travel
Last 30 days
| Metric | Onclin | Sachko |
|---|---|---|
| Countries | 1 | 2 |
| Events | 1 | 2 |
| Matches | 2 | 6 |
| Distance | 0 mi · 0 km | 857 mi · 1,380 km |
| Route | FRA | POL → ITA |
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 8 shared opponents, both Onclin and Sachko posted a 38% win rate.
| Opponent | Onclin | Sachko |
|---|---|---|
| Jurij Rodionov | L 46 16 | L 46 67 |
| Timofey Skatov | W 26 62 63 | L 26 46 |
| Vit Kopriva | L 46 46 | W 61 46 76 |
| Lorenzo Giustino | W 63 75 | L 63 67 46 |
| Shintaro Mochizuki | L 26 64 36 | L 36 67 |
| Giovanni Mpetshi Perricard | L 67 26 | W 76 63 |
| Viktor Durasovic | W 63 61 | W 63 76 |
| Titouan Droguet | L 36 26 | L 06 64 36 |
Recent Form
Last five matches per player
Daniil Glinka
Villena Challenger · 1st Round
Oct 6
Sascha Gueymard Wayenburg
Mouilleron-Le-Captif Challenger · 2nd Round
Sep 30
Dan Added
Mouilleron-Le-Captif Challenger · 1st Round
Sep 28
Jurij Rodionov
Davis Cup, World Group, Q2, AUT-BEL · Rubber 1
Sep 18
Raphael Perot
Cassis Challenger · 1st Round
Sep 8
Vitaliy Sachko
U.S. Open - New York · 1st Round Qualifying
Aug 25
Timofey Skatov
Cancun Challenger · 1st Round
Aug 20
Vit Kopriva
Cancun Challenger · 2nd Round
Aug 20
Samuele Pieri
Bari Challenger · Semifinals
Oct 3
Gianluca Cadenasso
Bari Challenger · Quarterfinals
Oct 2
Dimitar Kuzmanov
Bari Challenger · 2nd Round
Sep 30
Mika Petkovic
Bari Challenger · 1st Round
Sep 28
Thiago Monteiro
Szczecin Challenger · 2nd Round
Sep 16
Filip Cristian Jianu
Szczecin Challenger · 1st Round
Sep 15
Mika Brunold
Tulln Challenger · Semifinals
Sep 12
Matias Soto
Tulln Challenger · Quarterfinals
Sep 11
Rivalry momentum
Cumulative head-to-head lead over time
Win rate
Matches, sets and games won · Last 12 months · 60–78 matches
| Metric | Onclin | Sachko |
|---|---|---|
| Matches won | 65% | 52% |
| Sets won | 62% | 50% |
| Games won | 55% | 50% |
Record by tier
Head-to-head record by tournament tier
| Stage | Onclin | Sachko |
|---|---|---|
| Grand Slam | 0 | 1 |
| ATP Challenger Tour | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Onclin | Sachko |
|---|---|---|
| Hard | 0 | 1 |
| Clay | 1 | 0 |
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