Gauthier Onclin vs Leo DeflandrePrediction, Head-to-Head Results, and Stats
Gauthier Onclin and Leo Deflandre have met 1 time since 2026; Gauthier Onclin leads 1–0. Across all meetings Onclin has taken 2 sets to Deflandre's 0. Their most recent meeting: Gauthier Onclin won at M25 Monastir (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Onclin | Deflandre | ||
|---|---|---|---|---|
| Indicator | Gauthier Onclin | Leo Deflandre | ||
| Wins in straight sets | 73% | 38/52 | 50% | 1/2 |
| Wins a set when losing | 27% | 7/26 | 50% | 3/6 |
| Goes to a deciding set | 27% | 21/78 | 50% | 4/8 |
| Covers −1.5 sets as favorite | 58% | 31/53 | 50% | 1/2 |
| Covers +1.5 sets as underdog | 48% | 12/25 | 33% | 1/3 |
| Tiebreak sets won | 41% | 12/29 | 100% | 1/1 |
| Wins after taking set 1 | 92% | 45/49 | 40% | 2/5 |
| Wins 2-0 after taking set 1 | 78% | 38/49 | 20% | 1/5 |
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 1 completed meetings ended in straight sets (Onclin 1, Deflandre 0).
Previous meetings
1 career meeting, newest first
Apr 8, 2026
M25 Monastir
H Hard · Round of 32
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Onclin | Deflandre |
|---|---|---|
| W-L | 10–9 | 2–1 |
| Avg odds | 1.68 | 4.69 |
| ROI % | -18.6% | -17.3% |
| Units P/L | -3.54u | -0.52u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Onclin | Deflandre |
|---|---|---|
| Countries | 2 | — |
| Events | 2 | — |
| Matches | 4 | — |
| Distance | 1,291 mi · 2,078 km | — |
| Route | USA → MEX | — |
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
Onclin has a higher win rate against shared opponents (50% vs Deflandre's 0%).
| Opponent | Onclin | Deflandre |
|---|---|---|
| Marvin Moeller | L 75 16 46 | L 26 46 |
| Lucas Poullain | W 64 64 | L 62 46 06 |
Recent Form
Last five matches per player
Timofey Skatov
Cancun Challenger · 1st Round
Aug 20
Vit Kopriva
Cancun Challenger · 2nd Round
Aug 20
Andy Andrade
Brownsburg Challenger · 2nd Round
Aug 14
Tyler Zink
Brownsburg Challenger · 1st Round
Aug 11
Diego Dedura
Tampere Challenger · Semifinals
Jul 25
Tom Gentzsch
Tampere Challenger · Quarterfinals
Jul 24
Niels Visker
Tampere Challenger · 2nd Round
Jul 22
Duje Ajdukovic
Tampere Challenger · 1st Round
Jul 20
Marcel Hornung
Futures 2026
Jun 28
Marvin Moeller
Futures 2026
Jun 24
Justas Trainauskas
Futures 2026
Jun 23
Otakar Ungerman
Futures 2026
Jun 22
Gauthier Onclin
M25 Monastir · Round of 32
Apr 8
Lucas Poullain
M25 Hazebrouck · Round of 32
Jan 7
Arthur Gea
M25 Monastir · Round of 32
Oct 8
Tomas Jordi Leston
M15 Monastir · Round of 32
Sep 3
Win rate
Matches, sets and games won · Last 12 months · 8–78 matches
| Metric | Onclin | Deflandre |
|---|---|---|
| Matches won | 67% | 25% |
| Sets won | 63% | 35% |
| Games won | 55% | 44% |
Record by tier
Head-to-head record by tournament tier
| Stage | Onclin | Deflandre |
|---|---|---|
| ITF M25 | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Onclin | Deflandre |
|---|---|---|
| Hard | 1 | 0 |
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