Guillaume Dalmasso vs James TrotterPrediction, Head-to-Head Results, and Stats
Guillaume Dalmasso and James Trotter have met 1 time since 2026; James Trotter leads 1–0. Across all meetings Dalmasso has taken 0 sets to Trotter's 2. Their most recent meeting: James Trotter won at Winnipeg Challenger (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Dalmasso | Trotter | ||
|---|---|---|---|---|
| Indicator | Guillaume Dalmasso | James Trotter | ||
| Wins in straight sets | 53% | 18/34 | 62% | 13/21 |
| Wins a set when losing | 32% | 9/28 | 53% | 10/19 |
| Goes to a deciding set | 40% | 25/62 | 45% | 18/40 |
| Covers −1.5 sets as favorite | 30% | 8/27 | 22% | 5/23 |
| Covers +1.5 sets as underdog | 54% | 15/28 | 86% | 6/7 |
| Tiebreak sets won | 47% | 7/15 | 43% | 10/23 |
| Wins after taking set 1 | 76% | 22/29 | 80% | 16/20 |
| Wins 2-0 after taking set 1 | 62% | 18/29 | 65% | 13/20 |
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 1 completed meetings ended in straight sets (Dalmasso 0, Trotter 1).
Style Matchup
Playing styles and historical archetype record
Dalmasso
🏹 Frontrunner
Trotter
🤖 Servebot
Matchup analysis
The 🤖 Servebot archetype wins about 54% vs 🏹 Frontrunner across 1,115 matches in our dataset: a stylistic lean toward James Trotter.
Servebot players often use high ace rate and dominant service to pressure the frontrunner's fast starts.
Previous meetings
1 career meeting, newest first
Jul 19, 2026
Winnipeg Challenger
H Hard · 1st Round Qualifying
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Dalmasso | Trotter | ||
|---|---|---|---|---|
| Outcome | Guillaume Dalmasso | James Trotter | ||
| 1 or more | 86% | 6/7 | 100% | 9/9 |
| 3 or more | 43% | 3/7 | 100% | 9/9 |
| 5 or more | 43% | 3/7 | 67% | 6/9 |
| 10 or more | 0% | 0/7 | 11% | 1/9 |
| 15 or more | 0% | 0/7 | 0% | 0/9 |
| 20 or more | 0% | 0/7 | 0% | 0/9 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Dalmasso | Trotter |
|---|---|---|
| W-L | 3–5 | 4–1 |
| Avg odds | 2.30 | 1.96 |
| ROI % | -32.0% | +61.7% |
| Units P/L | -2.56u | +3.08u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Dalmasso | Trotter |
|---|---|---|
| Countries | — | 2 |
| Events | — | 2 |
| Matches | — | 5 |
| Distance | — | 7,954 mi · 12,800 km |
| Route | — | CHN → USA |
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
Trotter has a higher win rate against shared opponents (100% vs Dalmasso's 50%).
| Opponent | Dalmasso | Trotter |
|---|---|---|
| Hayato Matsuoka | L 46 46 | W 63 64 |
| Mikael Arseneault | W 46 64 64 | W 67 63 63 |
| Benjamin Thomas George | W 64 26 75 | W 06 76 64 |
| Jake Delaney | L 57 64 26 | W 76 36 61 |
Recent Form
Last five matches per player
Axel Garcian
M15 Rodez · Quarterfinals
Oct 9
Noah Boutleux
M15 Rodez · 2nd Round
Oct 8
Roan Jones
M15 Rodez · 1st Round
Oct 7
Damien Clerc
M25 Nevers · 1st Round
Sep 15
Hugo Car
Cassis Challenger · 1st Round Qualifying
Sep 6
Alex Knaff
M25+H Bagneres-de-Bigorre · 2nd Round
Sep 3
Julien Dando
M25+H Bagneres-de-Bigorre · 1st Round
Sep 1
Garrett Johns
Kingston 1 Challenger · 1st Round Qualifying
Aug 16
Stefan Kozlov
Columbus Challenger · 1st Round
Sep 29
Li Tu
Columbus Challenger · 3rd Round Qualifying
Sep 28
Alexander Ikenna Okonkwo
Columbus Challenger · 1st Round Qualifying
Sep 27
Mitsuki Wei Kang Leong
Guangzhou Challenger · 2nd Round
Sep 17
Federico Cina
Guangzhou Challenger · 1st Round
Sep 16
Thomas Fancutt
Guangzhou Challenger · 3rd Round Qualifying
Sep 14
Ziyu Liu
Guangzhou Challenger · 1st Round Qualifying
Sep 13
Mitsuki Wei Kang Leong
Zhangjiagang Challenger · Quarterfinals
Sep 4
Win rate
Matches, sets and games won · Last 12 months · 40–62 matches
| Metric | Dalmasso | Trotter |
|---|---|---|
| Matches won | 55% | 53% |
| Sets won | 52% | 53% |
| Games won | 50% | 51% |
Record by tier
Head-to-head record by tournament tier
| Stage | Dalmasso | Trotter |
|---|---|---|
| ATP Challenger Tour | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Dalmasso | Trotter |
|---|---|---|
| Hard | 0 | 1 |
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